Zulkarnain, N.A.A. and Azila Md Sudin (2024) “Optimization of Waiting Time at Drive Thru Fast Food Restaurant using Queuing Model”, Enhanced Knowledge in Sciences and Technology, 4(2), pp. 134–140. Available at: https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/14369 (Accessed: 23 July 2026).