Rashid, Adil Hatem, M.D. Irfan Hatem, Muhammad Syarhabil Ahmad, and Mohd. Hafiz Dzarfan Othman. 2014. “A Morphological Study of Poly (Vinylidene Fluoride) Pvdf Membranes: In Perspective of Membrane Pervaporation Process”. ASEAN Journal of Chemical Engineering 14 (2), 38-47. https://journal.ugm.ac.id/v3/AJChE/article/view/8851.