Kadir, M., Latiff, A. and Daud, Z. (2015) “Treatment Domestic Wastewater Using UASB and DFAF Two Phase Combined Reactor Systems: Preliminary Study”, Journal of Engineering and Technology (JET), 6(2), pp. 1–8. Available at: https://jet.utem.edu.my/jet/article/view/160 (Accessed: 18May2024).