GUNALAN A/L P BALAN, and Dr Faiz Asraf Bin Saparudin. “Water Level Monitoring System for Paddy Field Irrigation”. Progress in Engineering Application and Technology 4, no. 2 (December 21, 2023): 394–402. Accessed April 9, 2026. https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/13200.