Mohd Zin NS. Influence of Dosage, pH, and Settling Time on the Performance of Pre-Hydrolysed Polyaluminum Chloride (PAC) in Treating Ageing Matured Leachate. IJIE. 2025;17(3):59-67. Accessed April 7, 2026. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/21136