noorsuhaily, nursyuhada Amily, and Suhaila Mohd Yasin. “Online Gas Tank Delivery System for Sheng Leong Trading”. Applied Information Technology And Computer Science 4, no. 1 (July 20, 2023): 1296–1310. Accessed July 18, 2024. https://publisher.uthm.edu.my/periodicals/index.php/aitcs/article/view/7528.