Susanti, Indri. “POLYSULFONE MEMBRANE WITH ZEOLITE FILLER FOR CO2/CH4 GAS SEPARATION: A REVIEW”. Science Education and Application Journal 1, no. 1 (April 9, 2019): 10–16. Accessed April 28, 2024. http://jurnalpendidikan.unisla.ac.id/index.php/SEAJ/article/view/93.