Z. Awang and M. Z. Mohammad Isa, “Portable Treatment System to Treat Cafeteria Sullage Water Using Effective Microorganism and Biomedia”, peat, vol. 1, no. 1, pp. 79–87, Dec. 2020, Accessed: May 02, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/108