Aisyiyah, Siti R Nur, and Suhardi Suhardi. “Design of Web-Based Letter Archiving Application at PT. Pegadaian Office Region I Medan”. Journal of Information Systems and Technology Research 1, no. 1 (January 28, 2022): 1–6. Accessed August 2, 2025. https://journal.aira.or.id/index.php/jistr/article/view/52.