Preparation and Characterization of Polysulfone/Polyphenylsulfone/Titanium Dioxide Composite Ultrafiltration Membranes for Palm Oil Mill Effluent Treatment. JT [Internet]. 2013 Nov. 15 [cited 2024 Jul. 23];65(4). Available from: https://journals.utm.my/jurnalteknologi/article/view/2336