Kadir, M.A.A., A.A.A. Latiff, and Z. Daud. “Treatment Domestic Wastewater Using UASB and DFAF Two Phase Combined Reactor Systems: Preliminary Study”. Journal of Engineering and Technology (JET) 6, no. 2 (December 31, 2015): 1–8. Accessed November 21, 2024. https://jet.utem.edu.my/jet/article/view/160.