TAN, YEE HAN, and Firkhan Ali Hamid Ali. “Web-Based of Smart Water Quality Monitoring System”. Applied Information Technology And Computer Science 6, no. 1 (July 8, 2025): 159–177. Accessed April 8, 2026. https://penerbit.uthm.edu.my/periodicals/index.php/aitcs/article/view/16643.