, M. Al, Mohammed, and Agamuthu, P. “Coagulation and Flocculation of Bukit Tagar Sanitary Landfill Leachate Using Alum and PAC”. Malaysian Journal of Science 27, no. 2 (August 28, 2008): 39–51. Accessed April 30, 2024. https://mjs.um.edu.my/index.php/MJS/article/view/9206.