Preparation and Characterization of PVDF-TiO2 Composite Membranes Blended with Different Mw of PVP for Oily Wastewater Treatment using Submerged Membrane System. JT [Internet]. 2014 Aug. 20 [cited 2024 Jul. 23];69(9). Available from: https://journals.utm.my/jurnalteknologi/article/view/3396