Marpaung DR, Syahputra M, Fadillah R, Megawan S, Halim E. Development of an Integrated Web-Based School Information System at SMK Negeri 1 Lumban Julu. CoSIE [Internet]. 2025 Jul. 6 [cited 2026 Jul. 15];5(3):281-95. Available from: https://journal.aira.or.id/cosie/article/view/1752