N. A. N. . Che Amran and S. S. Jamaian, “Vehicle Routing and Scheduling Problems in Supply Chain Management using Ant Colony Algorithm”, EKST, vol. 5, no. 2, pp. 101–111, Dec. 2025, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/ekst/article/view/18506