R. Ramle, M. A. F. . Kamalruddin, M. I. . Ismail, and M. Z. . Zaina, “UML Diagram E-Learning Application: A Pilot Study ”, MARI, vol. 2, no. 1, pp. 418–425, Nov. 2020, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/mari/article/view/425