Sitiol, Augustina Aegidius, and Sai Peck Lee. “An Approach To The Development of Hybrid Object-Oriented Design Tool”. Malaysian Journal of Computer Science 12, no. 1 (June 1, 1999): 47–54. Accessed November 10, 2024. https://samudera.um.edu.my/index.php/MJCS/article/view/5748.