Mohd Zin, Nur Shaylinda, Taruunen Ramarao, Mohd Hazreek Zainal Abidin, and Wan Afnizan Wan Mohamed. “Coagulation-Flocculation of Leachate by Using Single Coagulant Made from Chemical Coagulant (Polyaluminium Chloride) and Natural Coagulant (Tapioca Flour)”. International Journal of Integrated Engineering 11, no. 6 (September 16, 2019): 236–243. Accessed July 23, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/4942.