Ramle, Rosni, Muhammad Aqil Fahmiruddin Kamalruddin, Muhammad Isa Ismail, and Muhammad Zakwan Zaina. “UML Diagram E-Learning Application: A Pilot Study ”. Multidisciplinary Applied Research and Innovation 2, no. 1 (November 30, 2020): 418–425. Accessed July 18, 2024. https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/425.