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Ali Institute of Research and Publication
Risk Factors for Type 2 Diabetes Mellitus Complications as a Basis for Prevention Efforts at Malahayati Islamic Hospital Medan
Diabetes mellitus is a non-communicable disease with a steadily increasing number of cases. This increase is due to significant complications that can lead to reduced life expectancy, paralysis, and an increased economic burden. This study aimed to identify risk factors for type 2 diabetes mellitus complications to inform prevention efforts at Malahayati Islamic Hospital in Medan. This observational analytical study used a case-control design. The study population consisted of diabetes patients registered at Malahayati Islamic Hospital in Medan. There were 120 respondents in total, with 60 in the case group and 60 in the control group. Data were collected through direct interviews at the hospital. Univariate and bivariate analyses were used for data analysis. The results showed that patients with diabetes mellitus (DM) for ≥5 years were 7.1 times more likely to develop complications, patients with an obese body mass index (BMI) were 3.9 times more likely to develop complications, patients with irregular blood sugar control were 2.9 times more likely to develop complications, and patients who did not adhere to their medication were 2.3 times more likely to develop complications. Duration of suffering, obesity, irregular blood sugar control, and noncompliance with treatment are risk factors for type 2 diabetes mellitus complications.
Copyright (c) 2026 Mona Hastuti, Rinawati Br Tarigan, Tri Budiarti https://creativecommons.org/licenses/by-nc-sa/4.0
Integrating Financial Literacy and Digital Marketing to Empower Culinary MSMEs
This community service program aims to improve the competitiveness of culinary MSMEs in Siboruon Village through financial literacy and digital marketing education. This activity was attended by 35 participants and was carried out using participatory training and practical mentoring methods. Evaluation was conducted through pre-test and post-test questionnaires that were analyzed statistically. The results showed a significant increase in financial literacy scores, from an average of 2.48 to 4.21 (p < 0.001), as well as digital marketing competencies, from an average of 2.10 to 4.03 (p < 0.001). A total of 71.4% of participants successfully created or optimized business social media accounts. The novelty of this program lies in the integration of simple bookkeeping and platform-based digital marketing tailored to the characteristics of rural MSMEs. This program has proven to be effective in strengthening managerial capacity and increasing the competitiveness of MSMEs.
Copyright (c) 2026 Minasari Nasution, Abdul Gani, Andry Roy PS, Zahri Fadli, Mahyudin Mahyudin, Nurul Khairina https://creativecommons.org/licenses/by-nc-sa/4.0
Human Resource Competency Development through Performance Management Training
This Community Service Activity (PKM) aims to improve human resource (HR) competencies through performance management training that focuses on understanding concepts, principles, and the application of effective and sustainable performance management systems. This activity was carried out among MSME groups affiliated with the Bumi Lestari Family Credit Union, Patumbak District, Deli Serdang Regency, which have been facing limitations in managing business performance and human resources. The implementation method used a participatory and applicative approach through lectures, discussions, simulations, and case studies. Evaluation was conducted through pre-tests and post-tests, as well as observations of the results of the participants' performance indicator development. The results of the activity showed an average increase in participants' understanding of 35%. In addition, participants were able to develop simple performance indicators relevant to the characteristics of MSMEs. This activity contributed to strengthening HR capacity and forming a performance-based work culture in partner MSMEs.
Copyright (c) 2026 Zulia Rifda Daulay, Khairatun Nazah, Nirwaty Tarigan, Tumini Sipayung, Ayu Wirda Ningsih https://creativecommons.org/licenses/by-nc-sa/4.0
Data Security and Privacy Education in the Artificial Intelligence Era through Digital Literacy
The development of artificial intelligence (AI) technology has brought significant changes to various aspects of life. However, it has also given rise to serious challenges related to data security and user privacy protection. The low level of digital literacy among the public, particularly in understanding the risks of data breaches and the misuse of personal information, has increased vulnerability to cybercrime in the digital era. This community service activity aims to enhance public knowledge, awareness, and skills in safeguarding data security and privacy amid the rapid adoption of AI-based technologies. The activity was implemented using an educational and participatory approach through workshops, interactive lectures, discussions, case simulations, and hands-on practice in securing digital accounts. The program involved 20 participants consisting of teachers and staff at SD Negeri 060922 Medan. Evaluation was conducted through pre-tests and post-tests to measure improvements in participants’ understanding. The results indicate an average increase in participants’ knowledge of 40%, along with heightened awareness of the importance of password management, privacy settings, and vigilance against cyber threats. This activity demonstrates that community-based education on data security and privacy is effective in improving digital literacy and fostering safer and more responsible technology use behaviors. Therefore, similar initiatives should be carried out on a sustained basis to support the development of a secure, ethical, and adaptive digital ecosystem in response to advancements in artificial intelligence.
Copyright (c) 2026 Yuniar Andi Astuti, Ester Hervina Sihombing, Sujarwo Sujarwo, Sondang Sondang, Berupilihen Br Ginting https://creativecommons.org/licenses/by-nc-sa/4.0
Improving Graphic Design Competence of Vocational Students through Graphic Design Skills of Yapim Biru Biru Private Vocational School Students
SMK Swasta Yapim Biru Biru is a vocational high school located on Jl. Besar Delitua–Medan, Aji Baho, Sibiru-biru District, Deli Serdang Regency, North Sumatra, operating under the auspices of the Ministry of Education and Culture. The school aims to produce highly competent students who can compete in the globalization era; therefore, students are expected to develop creativity and technological skills essential for their future careers. One activity supporting this goal is the use of Adobe Photoshop to enhance practical skills. This community service program provided Adobe Photoshop training to help students create aesthetic and engaging visual content, implemented through training sessions followed by pre-test and post-test evaluations. The results showed that students achieved higher scores on the post-test compared to the pre-test, indicating improved understanding, and it is hoped that this program will further motivate students to deepen their knowledge of Adobe Photoshop and develop the creativity needed in the digital era.
Copyright (c) 2026 Hita Hita, Salsalina Br Sembiring , Djoni Djoni, Hanes Hanes, Culita Culita https://creativecommons.org/licenses/by-nc-sa/4.0
The Role of Development Communication in Enhancing Community Involvement in Bur Telege Tourism Management
This study examines the critical factors influencing the sustainability of community-based tourism management in Bur Telege, Aceh Tengah, and investigates the effectiveness of development communication in promoting community engagement. The study is based on the assumption that genuine local participation in tourism governance requires open, transparent, and inclusive communication. Using an Explanatory Sequential Mixed Methods (ESMM) design, the research involved 100 respondents through a Likert-scale questionnaire, complemented by in-depth interviews with six key informants. Quantitative findings indicate that development communication has a significant impact on community engagement, with a Pearson correlation value (r = 0.61; p < 0.01) and explaining 37% of the variance in participation levels (R² = 0.37). However, the mean score suggests that communication effectiveness remains relatively low (mean = 2.1), particularly in meeting attendance (1.7) and the timeliness of information delivery (1.9). Qualitative analysis using NVivo identified several supporting factors, including government support through workforce certification programs, the use of simple digital media (such as WhatsApp), religion-based social capital, and village meetings. Conversely, significant barriers include the absence of a comprehensive tourism development blueprint, nepotism in recruitment practices, community pragmatism, lack of transparency in village-owned enterprise (BUMDes) management, and limited representation of marginalized groups. These findings underscore that effective development communication is a crucial instrument for strengthening long-term community engagement. Therefore, digital-based, transparent, and participatory communication strategies are essential to ensure sustainable tourism management.
Copyright (c) 2026 Agung Pangeran Bungsu, Nur Sa’adah https://creativecommons.org/licenses/by-nc-sa/4.0
Dissemination of Seagrass Density Information from Object-Based Image Analysis (OBIA) Mapping to Pengudang Coastal Community
Pengudang Village, Bintan Regency, Riau Islands, is a coastal area that hosts seagrass ecosystems with high biodiversity. However, this area is increasingly experiencing degradation pressures due to climate change and anthropogenic activities. The limited public knowledge regarding the condition of seagrass ecosystems has become a major obstacle to community-based conservation efforts in the region. This community service activity aimed to disseminate information on seagrass density mapping results using the Object-Based Image Analysis (OBIA) technology to the coastal community of Pengudang. The mapping was conducted at 59 survey points distributed across the shallow waters of Pengudang Village in October 2025. The results identified seven seagrass species with a total coverage area of 344.26 hectares, of which approximately 92% fell into the high-density category. The dissemination of the mapping results was carried out in December 2025 using an interactive outreach method supported by visual media and infographics, and was evaluated through questionnaires distributed to 10 respondents. The evaluation results showed that all assessment indicators were within a score range of 3.7–4.0, categorized as Very Good, with no respondents expressing disagreement regarding either the material or the implementation of the activity. This activity demonstrates that a dissemination approach based on modern mapping technology, delivered through participatory and contextual methods, is effective in improving public understanding, awareness, and conservation motivation among coastal communities toward seagrass ecosystems.
Copyright (c) 2026 Esty Kurniawati, Indah Kartika, Try Febriyanto, Septia Refly, Mario Putra Suhana, Asep Ma’mun, Muhammad Fajar Fajri Fardillah, M. Johar Rudin https://creativecommons.org/licenses/by-nc-sa/4.0
Integrated Work Mapping to Optimize Small-Scale Tofu Production
This study aims to identify inefficiencies in the tofu production process in small-scale tofu industries in Padang City, West Sumatra, and to propose improvements through an integrated work mapping approach. The analysis employs five types of work mapping tools, namely the operation process chart, flow process chart, layout flow diagram, man–machine chart, and right-hand–left-hand chart. The research method used is a qualitative case study conducted through direct observation, production cycle time measurements, and semi-structured interviews with the owner and workers. The results show that the total production cycle requires approximately 390 minutes, with the soaking stage (120 minutes) and molding stage (60 minutes) being the most time-consuming processes. The flow process chart identifies seven transportation activities with a total time of 16 minutes. Meanwhile, the man–machine chart reveals an imbalance in resource utilization, where the grinding machine operates for 33.1 minutes while the operator is active for only 3.1 minutes, resulting in 30 minutes of idle time. The right-hand–left-hand chart also indicates the dominance of right-hand movements in the cutting process, suggesting ergonomic inefficiency. The novelty of this study lies in the integration of five work mapping tools within a single analytical framework to provide a comprehensive evaluation of process flow, spatial layout, human–machine interaction, and manual motion patterns. The proposed improvements include workflow optimization, task redistribution, ergonomic workstation redesign, and the development of standard operating procedures (SOPs) to enhance efficiency and productivity in small-scale tofu industries.
Copyright (c) 2026 Khairun Nadiyah, Maria Isfus Senjawati, Muhammad Syarif Hidayat, Kushisa Atta Jaeba https://creativecommons.org/licenses/by-nc-sa/4.0
Increasing Community Awareness of Sidamukti Village Community Through Waste Literacy
Sidamukti Village in Sukaresmi District, Pandeglang Regency, still faces challenges in waste management. Poorly managed waste has the potential to disrupt the sustainability of residents’ livelihoods. Low levels of waste literacy and community participation are considered the main causes of this problem. This Community Service (PkM) activity aims to increase residents’ knowledge and awareness in managing waste and maintaining environmental sustainability. Using the Participatory Action Research (PAR) method, the community was actively involved in every stage, starting from problem identification, planning, to the implementation of concrete actions. Waste literacy activities were conducted through socialization programs and beach clean-up actions as participatory learning activities involving community leaders, PKK members, youth organizations (Karang Taruna), and local residents. The results show that this approach successfully improved community perceptions and behaviors toward the environment. However, to maintain the consistency of these behavioral changes, adequate waste management facilities and continuous education are required, particularly for younger generations and school children.
Copyright (c) 2026 Sumiyarti Sumiyarti, Ida Busneti, Rinaldi Rustam, Husna Leila Yusran https://creativecommons.org/licenses/by-nc-sa/4.0
Optimizing Natural Dyeing Processes to Improve Product Quality Ecoprint-Based Creative Industries that Support Sustainable Economic Growth
This community service activity aims to improve the product quality and business capacity of ecoprint MSMEs through the optimization of natural dyeing processes based on ketapang leaves (Terminalia catappa) and sappanwood (Caesalpinia sappan), integrated with strengthening business management and digital marketing. The implementation method employed a participatory approach through several stages, including socialization, training on natural dye extraction, practice of dyeing and color fixation, business management training, as well as monitoring and evaluation. The results indicate a significant improvement in the partners’ capacity. Optimization of the mordanting and fixation processes improved the color fastness of products from a low category to a moderate–high category based on washing and rubbing tests. Production efficiency also increased, as indicated by the reduction of production time from approximately seven days to four to five days per production cycle and an increase in production capacity of around 30%. In addition, product diversification of ecoprint products was achieved, resulting in various derivative products such as eco-tik, tote bags, and ready-to-wear clothing, along with increased digital marketing activities through social media and marketplaces. The novelty of this program lies in the integration of technical innovation in optimizing natural dyes with the empowerment of business management and digital marketing for creative MSMEs. This integrated approach has proven effective in improving product quality, production efficiency, and business competitiveness. The findings indicate that strengthening production capacity based on local resources, supported by business management and digital marketing, can serve as a sustainable empowerment model for creative MSMEs. This program contributes to the achievement of the Sustainable Development Goals (SDGs), particularly Goal 8, by increasing business productivity, expanding market access, and encouraging economic growth based on environmentally friendly creative industries.
Copyright (c) 2026 Catur Sugiarto, Rahmawati Rahmawati, Hunik Sri Runing Sawitri, Ratna Endah Santoso, Siti Arifah, Endang Dwi Amperawati, Andreansyah Saputra, Mi'raj Akbar, Junaid M Shaikh https://creativecommons.org/licenses/by-nc-sa/4.0
IoT-Based Training and Mentoring on Water Quality Management and Carp Health Management at UPR Dunia Air Jayapura
Aquaculture of common carp (Cyprinus carpio) is a freshwater fishery commodity with high economic value and requires well-controlled water quality and fish health management. However, small- to medium-scale farmers still face limitations in continuous water quality monitoring. This community service activity aimed to improve the capacity of common carp farmers at Unit Pengolahan Air Dunia Air through training and mentoring on water quality and fish health management based on simple technology. The activity was conducted from September to October 2025 at Unit Pembenihan Rakyat Dunia Air, Koya Timur, Jayapura City. The methods employed included training sessions, discussions, hands-on practice mentoring, and the application of technology in the form of an Internet of Things (IoT)-based water quality monitoring device and a water quality control logbook. The IoT device was used to monitor water quality parameters in real time, while the logbook functioned as a tool for routine recording and evaluation. The results showed an increase in participants’ understanding of water quality management concepts, as indicated by their ability to identify key water quality parameters along with their optimal ranges. In addition, participants demonstrated improved skills in operating IoT-based monitoring devices and in routinely recording data in the water quality control logbook. Changes in aquaculture practices were also observed, including increased frequency of water quality monitoring and the implementation of fish disease prevention measures. The application of this technology promotes more controlled and sustainable common carp aquaculture practices.
Copyright (c) 2026 Ervina Indrayani, Vyona Mantayborbir, Lalu Panji Imam Agamawan, Khristopher A. A. Manalu, Yulindra Margaretha Numberi, Fransina A. Izaac, Lisda O. M. Pamangin https://creativecommons.org/licenses/by-nc-sa/4.0
Web-Based CRM Implementation for Improving Agricultural Product Sales Strategy
The development of information technology encourages business actors, including Micro, Small, and Medium Enterprises (MSMEs), to utilize information systems to improve operational efficiency and customer relationship management. Customer Relationship Management (CRM) is a strategy used to manage interactions with customers in order to increase customer satisfaction and loyalty. However, many MSMEs still record customer data and sales transactions manually, resulting in less effective data management processes. UD Sri Tani is a business engaged in the sale of agricultural products that still manages customer data, product inventory, and sales transactions manually. This condition causes difficulties in monitoring customer relationships and developing effective sales strategies. Therefore, this study aims to implement a web-based Customer Relationship Management (CRM) system to improve customer management and support sales strategies. The research method used includes system requirements analysis, system design, system implementation, and system testing. Data collection was conducted through observation, interviews, and the distribution of questionnaires to 39 respondents consisting of customers and business managers. System testing was carried out using the Black Box Testing method to ensure that all system functions operate according to user requirements. The results of the study indicate that the developed CRM system is capable of integrating customer data, product data, and sales transactions in a centralized manner. Based on 15 testing scenarios, all system functions showed a 100% success rate, indicating that the system operates properly according to user needs. The implementation of this system helps business owners manage customer relationships more effectively and supports the improvement of agricultural product sales strategies at UD Sri Tani.
Copyright (c) 2026 Husnul Khotimah, Mardalius Mardalius, Muhammad Bayu Al Dhana https://creativecommons.org/licenses/by-nc-sa/4.0
Implementing Eco-Learning–Based Instructional Media to Improve Students’ Learning Motivation at an Elementary School in Bunut Barat
This community service activity aims to improve students’ learning motivation through the implementation of creative eco-learning, which is a learning approach based on simple media made from recycled materials. The activity was conducted in Grade III at UPTD SD Negeri 016502 Bunut Barat, involving 32 students. The developed media included: (1) a multiplication tool made from used cardboard for Mathematics, (2) a body parts learning media made from recycled carton for English, and (3) a sentence arrangement media made from used plastic cups for Indonesian language learning. The implementation method consisted of socialization, media development, classroom trials, and evaluation. The evaluation was conducted using a learning motivation questionnaire with seven indicators: interest, activeness, confidence, cooperation, independence, interest in the media, and persistence. The results showed that the average student motivation increased from 3.06 (moderate category) to 4.44 (high category). The highest improvement was found in interest in the media, increasing from 2.9 to 4.7, and confidence from 2.8 to 4.1. The lowest increase was in cooperation, from 3.4 to 4.6. The paired sample t-test results indicated a significant difference between students’ motivation before and after the implementation of creative eco-learning, with t(31) = 74.98 and a significance value of 0.000 (< 0.05). Overall, this activity had a positive impact on students’ activeness, independence, and enthusiasm. Observations showed that student engagement increased by up to 75%, and formative test scores improved by an average of 15–20%. In addition, the activity enhanced teachers’ skills in utilizing recycled materials to create creative and environmentally friendly learning media.
Copyright (c) 2026 Anim Anim, Lis Supiatman, Arifah Febriani, Amanda Puspita Ningrum, Yoanda Wasillah Mei Erwin https://creativecommons.org/licenses/by-nc-sa/4.0
Digital Literacy Enhancement for Expanding the Market Reach of Fishermen in Kilang Village
Traditional fishermen are micro-scale enterprises with the potential to absorb labor and reduce poverty in coastal areas. However, they often face several challenges, such as low sales turnover that is not proportional to operational costs, limited innovation in marketing strategies, and the long distance to traditional markets. These conditions are also experienced by fishermen in Kilang Village, Leitimur Selatan District, Ambon City. Therefore, this community service activity aims to improve fishermen’s digital literacy in order to expand market reach through the use of digital technology. The implementation method includes an initial survey and problem mapping, administration of a pre-test, socialization and discussions on the digitalization of fish markets, and a post-test to evaluate participants’ improved understanding. The activity was conducted from March 23 to 25, 2025, at the Kilang Village Office and involved 27 local fishermen. A descriptive quantitative method was used to analyze pre-test and post-test data to assess changes in participants’ level of understanding. The results indicate an increase in participants’ understanding of the use of digital platforms for marketing fishery products, as shown by the increase in the average score from 40 in the pre-test to 80 in the post-test. These findings suggest that digital literacy can serve as an initial step in encouraging fishermen to adopt digital markets, thereby improving marketing efficiency, expanding market access, and supporting the sustainability of fishing businesses in coastal areas.
Copyright (c) 2026 Paskanova Christi Gainau, Fanny Monica Anakotta, Zalni Zalni, Christy Clayde Latupeirissaa https://creativecommons.org/licenses/by-nc-sa/4.0
Digital Marketplace Training for Strengthening Rural Capacity at Kademangan Village, Cianjur, Indonesia
The digital transformation of MSMEs is a crucial strategy for enhancing competitiveness and business sustainability in the digital economy. This Community Service (PKM) activity aims to enhance the capacity of MSMEs in Kademangan Village, Cianjur Regency, to utilize the marketplace as a digital marketing tool. The method used was training and direct mentoring for 21 MSMEs through material delivery, practice, and interactive discussions. The results of the activity showed an increase in participants' digital literacy, particularly in creating online stores, managing products, promoting strategies, and managing orders and customer service. A post-training evaluation showed that 90% of participants felt ready to implement online businesses independently. This activity contributed to strengthening the digital capacity of village MSMEs and supporting the development of a technology-based economy.
Copyright (c) 2026 Mustika Sari, Reni Dian Octaviani, Nursery Alfaridi Nasution https://creativecommons.org/licenses/by-nc-sa/4.0
Empowering the Anambas Islands Community Through Waste Education and the Potential of Utilizing Mangrove Waste into Bioplastics
Waste, particularly plastic, poses a serious threat to coastal ecosystems in the Anambas Islands, Riau Islands Province. This community service program collaborated with LKKPN Pekabaru and Yayasan Jaga Mangkai aimed to enhance environmental literacy, raise awareness on waste management, and introduce the potential of mangrove waste (Bruguiera gymnorhiza) as raw material for environmentally friendly bioplastic. The methods included educational sessions, interactive discussions, coastal clean-up activities, and evaluation using pre-test and post-test questionnaires. The results revealed that from 407.1 kg, 69% of the collected waste consisted of non-plastic categories. Laboratory tests on mangrove waste indicated the presence of active compounds with potential for bioplastic production. Questionnaire evaluation showed a significant improvement in community understanding, with average scores exceeding 50% in aspects of waste knowledge, bioplastic innovation, and attitudes toward environmental management. In conclusion, the program effectively increased ecological awareness and highlighted the potential for local innovation based on coastal resources. Nevertheless, follow-up programs are necessary to ensure that improved knowledge is transformed into sustainable daily practices in waste management.
Copyright (c) 2026 Jelita Rahma Hidayati, Try Febrianto, Susanti Susanti, Ronald Raditya Kesatria Sinaga, Dominikus Yoeli Wilson Laia, Rosyita Alifiya, Eddy Handoko, Murwanto Murwanto, Rika Anggraini, Aditya Hikmat Nugraha, Ilil Arifatin, Said Rully Aditianda, Poppy Yulia Anjani, Hilyatul Aulia, Soneta Achmadiah https://creativecommons.org/licenses/by-nc-sa/4.0
Empowering Children Through Digital Marketing
Children Facing the Law (ABH) often experience social stigma and limited access to economic opportunities, thus requiring measurable social reintegration strategies. This community service program was conducted at Nurul Huda Islamic Boarding School, focusing on empowerment through digital marketing skills, particularly in the culinary and garment sectors. The objective of this activity was to enhance participants’ capacity to utilize digital marketing as a means of adaptation and social reintegration. The method employed was participatory training based on hands-on practice, including content planning sessions, simulations of e-commerce platform usage, and assistance in online product marketing. The results indicate an increase in participants’ digital marketing skills by more than 75%, as measured through pre-test and post-test assessments. Additionally, one e-commerce platform was established to market culinary and garment products, and an increase in entrepreneurial motivation was observed, as indicated by 100% of participants through simple direct expressions. These findings suggest that practice-based training with an empowerment approach can serve as an effective strategy in supporting the social reintegration of ABH.
Copyright (c) 2026 Belgis Hayyinatun Nufus, Budhy Santoso, Atik Rahmawati, Maisaroh Choirotunnisa, Ria Faisyahril https://creativecommons.org/licenses/by-nc-sa/4.0
Integrated Green Mining Technology Package for Emission Reduction
Mine decarbonisation studies still tend to evaluate electrification, energy efficiency, and renewable energy as separate interventions; therefore, evidence on integrated operational deployment remains limited, particularly for medium-scale open-pit mines in developing countries. This study evaluates whether an integrated green mining package can reduce Scope 1 and 2 emissions without undermining day-to-day operational reliability. Using a Design Science Research approach, the study developed and piloted a package consisting of trolley-assist haulage, battery-electric support vehicles, variable speed drives for dewatering pumps, an energy management system, and a solar PV–battery microgrid. Baseline and pilot performance were compared over two three-month periods using fuel logs, electricity meters, telematics, and PV/battery logger data. Emissions were calculated from activity data and IPCC-based emission factors, while renewable integration was assessed using HOMER Pro simulation. Diesel consumption declined from 4,000,000 L to 3,256,000 L (−18.6%), and purchased electricity decreased from 10,000 MWh to 9,060 MWh (−9.4%). The PV system generated 4,050 MWh, supplying about 30.9% of pilot-period electricity demand. Total Scope 1 and 2 emissions fell from 18,920 tCO₂e to 16,155 tCO₂e (−14.6%). The pilot also showed that electrification increased on-site electricity demand, making EMS coordination and renewable supply critical enabling conditions rather than optional add-ons. The novelty of this study lies in field-validating an integrated decarbonisation package instead of a single technology. The findings provide operational-scale evidence for medium-scale mines and support policies on electrification-ready microgrids, performance-based incentives, and standardised Scope 1 and 2 reporting.
Copyright (c) 2026 Hendra Sani, Syamsuddin Syamsuddin https://creativecommons.org/licenses/by-nc-sa/4.0
Renewable Energy Education through Solar-Powered Toy Car Assembly Activities for Junior High School Students
Renewable energy sources are a solution to fossil energy sources, which are increasingly depleting every day. Renewable energy has various types; however, the most widely used at present is solar energy, commonly referred to as solar power generation (photovoltaic systems). The development of solar power in Indonesia has begun to be implemented in several sectors to support government programs, particularly national energy security. Considering the importance of renewable energy, early socialization and education are needed, especially for junior high school students. Early education is expected to raise students’ awareness of the importance of environmental preservation in maintaining renewable energy resources provided by nature. To make the educational process more engaging, a hands-on practice method was applied. In this community service activity, students assembled solar-powered toy cars so that the cars could operate. This activity aimed to directly involve students in the use of renewable energy and to help them understand how renewable energy can be applied in simple applications. The results show that students were able to complete the assembly of solar-powered toy cars; 48.28% of students rated the activity as very beneficial, 48.28% as beneficial, and 3.45% as moderately beneficial. Based on these results, it can be concluded that the community service activity was successfully implemented.
Copyright (c) 2026 Tri Arif Wiharso, Helfy Susilawati, Akhmad Fauzi Ikhsan, Gandi Sugandi, Putri Asti Meilani, Agistian Hendryansyah, Dama Robiul Awaludin https://creativecommons.org/licenses/by-nc-sa/4.0
A Weighted Engineering Geological Framework for Evaluating Post-Mining Land Reclamation Suitability Based on Slope, Material Properties, and Drainage
Post-mining reclamation often underperforms when land is considered ready for revegetation without prior engineering geological screening. This study develops and demonstrates a weighted engineering geological framework for evaluating reclamation suitability based on slope condition, material properties, and drainage performance. A descriptive-evaluative design was used by combining land-unit delineation, field observation parameters, basic geotechnical indicators, drainage appraisal, and weighted scoring. To transparently demonstrate the analytical model, simulated but technically plausible data were assigned to four engineering geological zones. The model weights slope at 40%, material properties at 35%, and drainage at 25%. The resulting suitability scores classify Zone A as very suitable (87.2), Zone B as moderately suitable (72.6), Zone C as conditionally suitable (56.9), and Zone D as unsuitable (41.6). The novelty of the study lies in operationalizing slope, material, and drainage variables into a transparent zone-based suitability score, and in positioning engineering geology as the first diagnostic layer of reclamation planning rather than a post-planting correction. The framework helps identify dominant limiting factors and supports staged interventions such as regrading, drainage rehabilitation, material improvement, and phased revegetation. The model is suitable as a pre-screening tool and should be calibrated with site-specific field data in future applications.
Copyright (c) 2026 Kasmira Kasmira, Muh Arif Idhan https://creativecommons.org/licenses/by-nc-sa/4.0
Strengthening Business Sustainability and Enhancing Bamboo Craft Production Efficiency in the Kraosan Social Enterprise of Ngadiharjo Village
This community service program was implemented in Ngadiharjo Village, Borobudur, in collaboration with Kraosan, a social enterprise specializing in bamboo handicrafts. The enterprise faces several challenges, including inconsistent product quality, unstructured workflows, and limited production technology, which have hindered its capacity to meet increasing market demand. The program was carried out through five systematic stages: (1) socialization, (2) technical training, (3) management assistance, (4) implementation of appropriate technology, and (5) impact evaluation. The evaluation results indicate a 77.8% increase in partners’ understanding, with the average score rising from 41.54 (pre-test) to 73.84 (post-test). The implementation of bamboo splitting and shaving machines demonstrated a substantial improvement in production efficiency by significantly reducing processing time while ensuring more precise and consistent product dimensions compared to manual methods. Furthermore, management assistance and brand identity development enhanced Kraosan’s readiness to enter the premium market segment. Overall, this program contributes to improving production capacity, increasing household income potential, and strengthening the social enterprise model in supporting poverty alleviation efforts in Ngadiharjo Village.
Copyright (c) 2026 Pram Suryanadi, Catur Sugiarto, Khresna Bayu Sangka, Lisa Charisa Batara, Mi’raj Akbar Pradianto; Revy Lidiya Oni Marlina, Astri Suryanti, Andreansyah Saputra; Anggerka Harum Oktaviana https://creativecommons.org/licenses/by-nc-sa/4.0
Evaluating the Effectiveness of a Pilot-Scale Subsurface-Flow Constructed Wetland for Reducing Iron, Manganese, and Sulfate in Acid Mine Drainage from Former Coal Mining Areas
Acid mine drainage from former coal mining areas is characterized by low pH and elevated concentrations of dissolved metals and sulfate, which may degrade receiving-water quality and create long-term environmental risk. This study evaluated the effectiveness and applied relevance of a pilot-scale subsurface-flow constructed wetland in improving acid mine drainage quality by increasing pH and reducing iron, manganese, and sulfate. The novelty of the study lies in the integrated use of gravel, sand, limestone, organic support media, and wetland vegetation within a pilot unit designed for post-mining rehabilitation conditions, while assessing pH, Fe, Mn, and sulfate simultaneously as key indicators of treatment performance. A quasi-experimental pretest–posttest approach was used by comparing influent and effluent quality after treatment through the wetland media. The influent had a pH of 3.2, Fe of 12.50 mg/L, Mn of 8.20 mg/L, and sulfate of 420.00 mg/L. After treatment, the effluent pH increased to 6.1, while Fe decreased to 3.40 mg/L, Mn to 2.70 mg/L, and sulfate to 180.00 mg/L. The corresponding removal efficiencies were 72.80% for Fe, 67.07% for Mn, and 57.14% for sulfate. These findings indicate that pilot-scale subsurface-flow constructed wetlands can provide a simple, low-energy, and environmentally compatible option for post-mining water management and may support practical rehabilitation strategies where long-term chemical dosing is difficult to sustain.
Copyright (c) 2026 Zulfahmi Zulfahmi, Hendra Sani, Syamsuddin Syamsuddin https://creativecommons.org/licenses/by-nc-sa/4.0
The Role of Government and External Relations Department of PT INALUM in Building Public Perception of Environmental Programs in Batu Bara Regency
This study aims to analyze the role of the Government and External Relations Department of PT Indonesia Asahan Aluminium (PT INALUM) in shaping public perception of the company’s environmental programs in Batu Bara Regency. The presence of large-scale industrial companies often raises concerns regarding environmental impacts, making corporate communication an important factor in building public understanding and trust. This study employs a qualitative approach with a case study method. Data were collected through in-depth interviews, observation, and documentation, and analyzed qualitatively through data organization, categorization, and theme identification. The findings show that the Government and External Relations Department acts as a communication bridge between the company and the community by delivering environmental programs through socialization activities, dialogue forums, and digital media. The department also facilitates two-way communication by accommodating community feedback and conveying it to management. These communication practices contribute to building public understanding and fostering positive perceptions toward environmental programs such as mangrove planting and environmental conservation. However, several challenges were identified, including unequal participation in communication activities, differences in stakeholder interests, and varying levels of public understanding, which may lead to information gaps within the community. Despite these challenges, the communication efforts carried out by the department are generally effective in enhancing public trust and minimizing potential conflict.
Copyright (c) 2026 Sandra Vanya, Muhammad Husni Ritonga https://creativecommons.org/licenses/by-nc-sa/4.0
Development of the DriMe (Drive in Merauke) Application Based on Community Participation to Support Sustainable Business Management and Service Marketing for Courier and Driver Operators
Informal transport services in Merauke face challenges in business management, service promotion, and digital access. A growing tension has emerged between existing app-based platforms and manual systems operated via WhatsApp, particularly regarding inconsistent fare structures and lack of transparency. This community service program addresses these issues by empowering local couriers and drivers through digital innovation. The objective is to develop and implement the DRIME application to improve operational efficiency, unify fare systems, and strengthen community-based digital literacy. Using a Participation Action Research (PAR) approach, the study involved drivers and couriers from the initial needs assessment through application design, testing, training, and evaluation. The program produced three mobile applications and one admin website. Training reached 48 participants, and participatory evaluation led to feature improvements, such as automated tax deduction and the official launch of the application on the Play Store.
Copyright (c) 2026 Tini Adiatma, Nurlela Pandiangan, Maichel Santo Wijaya Mita, Dodhy Hyronimus Ama Longgy https://creativecommons.org/licenses/by-nc-sa/4.0
Flexing Practices among Public University Students in Medan on Instagram
This study examines the practice of flexing among public university students in Medan on Instagram as part of self-presentation in digital spaces. The study uses a dramaturgical perspective to understand how flexing is displayed as a form of sharing activities, experiences, and moments that reflect lifestyle and digital identity. This research adopts a qualitative approach with a phenomenological method to explore the subjective experiences of informants. Data were collected through in-depth interviews, digital observation, and content documentation from students selected through purposive sampling. Data were analyzed using a qualitative analysis model through data reduction, data display, and conclusion drawing. The findings show that flexing practices are not solely interpreted as showing off wealth or luxury, but are more commonly expressed through sharing daily activities, experiences, and selected moments on Instagram. These practices are closely related to efforts to build self-image and gain social recognition through audience responses such as likes and comments. Flexing thus becomes part of students’ self-presentation in constructing identity and negotiating social position in digital spaces.
Copyright (c) 2026 Muhammad Rizky Muharram, Fakhrur Rozi https://creativecommons.org/licenses/by-nc-sa/4.0
Development and Pilot Evaluation of Sensor-Based Environmental Monitoring and Green Technology Interventions for Pollution Reduction in Indonesian Mining Sites
This study develops and pilot-tests an integrated package of environmentally friendly operational interventions and a sensor-based environmental monitoring system at two mining locations in Indonesia. The research used a pilot multiple-site case study over three months, combining field observation, document review, and repeated measurement of water, air, and soil quality indicators. The analytical focus was on descriptive before–after comparison and compliance-gap assessment, because the pilot dataset was limited to two sites and did not justify inferential statistics. The results show that PM2.5 declined from 58 to 41 µg/m³ at Mine Location A (29.3%) and from 65 to 55 µg/m³ at Mine Location B (15.4%) after intervention. However, several parameters remained above or below the required benchmarks, including turbidity (15–25 NTU versus ≤5 NTU), dissolved oxygen (3.8–4.5 mg/L versus ≥5 mg/L), arsenic (10–12 ppb versus ≤5 ppb), and soil organic matter (2.0–2.5% versus ≥3%). These findings indicate that the monitoring system is effective for early detection and operational feedback, whereas the green technology interventions produced only partial environmental improvement. The study contributes a practical framework for integrating site-level monitoring, threshold-based evaluation, and adaptive environmental management in Indonesia's mining sector. The main implication is that sensor deployment should be scaled together with stronger mine-water treatment, dust suppression, calibration routines, and compliance reporting requirements.
Copyright (c) 2026 Muh Arif Idhan, Kasmira Kasmira https://creativecommons.org/licenses/by-nc-sa/4.0
Digital Communication of PLN UP3 Sibolga in the Dissemination of Public Service Information through Social Media
This study aims to analyze the digital communication of PLN UP3 Sibolga in disseminating public service information through social media, focusing on the role of Artificial Intelligence (AI) and human touch in public relations practices. While previous studies have examined digital communication and AI in public relations, studies that integrate both aspects in local public service contexts remain limited. This research employs a qualitative descriptive approach, with data collected through in-depth interviews with public relations personnel and documentation of social media content. The results show that digital communication has been utilized to support the dissemination of public service information, with AI functioning as a supporting tool to improve efficiency in content production. However, human involvement remains essential to ensure clarity, empathy, and appropriateness of the message. In addition, digital communication through social media has not fully replaced the public's need for direct communication. Therefore, effective public service communication requires the integration of technological utilization with a humanistic approach to ensure that information is properly understood by the public.
Copyright (c) 2026 Fadli Febriansyah Zen, Indira Fatra Deni Peranginangin https://creativecommons.org/licenses/by-nc-sa/4.0
Optimization of the Development of the Tambak Lorok Floating Solar Power Plant for Self-Consumption (SC) through a Technical and Economic Analysis
Global climate change and rising greenhouse gas (GHG) emissions demand an accelerated transition from fossil fuels to sustainable energy systems. Floating solar power plants (FSPs) are one strategy for integrating renewable and conventional energy sources by utilizing water bodies without causing land-use conflicts. However, this implementation faces challenges related to fluctuations in solar irradiance, aquatic environmental characteristics, and economic uncertainty in investment, particularly for self-consumption schemes at existing power plants such as the Tambak Lorok Combined Cycle Power Plant (CCPP) in Semarang City. This study aims to analyze the technical feasibility, contribution to CO₂ emission reduction, and economic viability of developing a floating PV plant at Tambak Lorok. The research methodology employs a quantitative-analytical approach based on secondary data and system simulation. The study utilizes data on solar irradiance, meteorology, technical specifications of modules and inverters, electricity consumption data from the gas-fired power plant, and project economic parameters. The analysis was conducted through technical, environmental, economic, and integrative approaches. The results show that a 1.166 MWp floating solar power plant system is capable of generating approximately 1,810 MWh of electricity per year, with a performance ratio (PR) of around 85%, indicating efficient system performance. From an environmental perspective, this system has the potential to reduce carbon emissions by approximately 1,085 tons of CO₂ per year, or about 32,558 tons of CO₂ over the project’s 30-year lifespan. Economically, the project is deemed viable, with a net present value (NPV) of Rp5.45 billion, an internal rate of return (IRR) of 12.8%, and a payback period of 11.48 years. These results indicate that the development of a floating solar power plant in Tambak Lorok is technically feasible, provides significant environmental benefits, and is economically profitable, thereby having the potential to serve as a model for the energy transition of fossil-fuel-based power plants in Indonesia.
Copyright (c) 2026 Much Bahrun Idris, Heri Susanto, Jaka Windarta https://creativecommons.org/licenses/by-nc-sa/4.0
Students’ Perspectives on Influencer Endorsements in Marketing Local G2G Skincare Products on Instagram
This study aims to analyze students’ perspectives on influencer endorsement in the marketing of local G2G skincare products on Instagram. The increasing use of influencers in digital marketing strategies reflects a shift in marketing communication patterns; however, limited studies have specifically examined how students, as consumers, interpret influencer endorsement in the context of local products. This research employs a qualitative descriptive approach, with data collected through in-depth interviews with students of Universitas Islam Negeri Sumatera Utara who actively use social media. The findings indicate that influencer endorsement is perceived as a factor influencing interest and trust in products, particularly when influencers are considered credible, relevant to the product, and demonstrate authentic usage experiences. However, students do not passively accept endorsement content; instead, they engage in critical evaluation of the information presented. Furthermore, trust in the product is influenced not only by influencers but also by personal experience, peer reviews, and brand reputation. This study highlights that the effectiveness of influencer endorsement in marketing local skincare products depends not merely on influencer popularity, but on perceived credibility and relevance from the consumers’ perspective.
Copyright (c) 2026 Nur Samaniatun Dalimunthe, Hasan Sazali https://creativecommons.org/licenses/by-nc-sa/4.0