Yusop N, Safie NE, Kamaluddin W, Hussaini A. A Recycling and Measurement of Floodwater Using Arduino, Potassium Alum and River Stone. ijie. 2024;16(4):162-169. Accessed September 16, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/16334