Sillang, Michael. “Development and Evaluation of an Android Mobile Application to Support E-Learning in Electrical Machine Courses”. International Journal of Advanced Research in Social Studies 5, no. 2 (Oktober 31, 2026): 1–7. Diakses November 12, 2026. https://jurnal.polsri.ac.id/index.php/ijarss/article/view/12054.