Khor, Chun Siang, Nasuha Lee Abdullah, Rosnah Idrus, and Nura Muhammad Baba. “Self-Planning Traveller System”. Scientific Research Journal 14, no. 2 (December 31, 2017): 73–87. Accessed October 5, 2024. https://journal.uitm.edu.my/ojs/index.php/SRJ/article/view/3068.