Xing, W., W. S. Guo, H. H. Ngo, A. Listowski, and P. Cullum. “Specific Anaerobic Fluidized Bed Bioreactors As Pretreatment to Microfiltration in Domestic Wastewater Treatment for Reuse”. Journal of Applied Membrane Science & Technology 8, no. 1 (November 20, 2017). Accessed September 17, 2021. https://amst.utm.my/index.php/amst/article/view/58.