Mohiyaden, HA, LM Sidek, G Hayder, and MN Noh. “Water Quality Assessment Klang River Water Treatment Plants”. International Journal of Engineering and Technology 7, no. 4.35 (November 30, 2018): 639–642. Accessed February 11, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/23075.