Loh, A. W. L. and Wahid, H. (2021) “A Reliable Design of Water Quality Monitoring System for Online River Data Monitoring”, ELEKTRIKA- Journal of Electrical Engineering, 20(2-3), pp. 79–86. Available at: https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/315 (Accessed: 29 April 2024).