Sinaga, E. J., S. Purba, and I. Rangkuti. “Faktor-Faktor Yang Mempengaruhi Efektifitas SIM Di SD Swasta Santa Lusia Sei Rotan”. Journal of Information System and Education Development, vol. 1, no. 3, Nov. 2023, pp. 47-52, http://journal.mwsfoundation.or.id/index.php/jised/article/view/42.