Yusop, Noorrezam, Nur Ezyanie Safie, Wahba Kamaluddin, and Ali Hussaini. “A Recycling and Measurement of Floodwater Using Arduino, Potassium Alum and River Stone”. International Journal of Integrated Engineering 16, no. 4 (August 27, 2024): 162–169. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/16334.