Hassim, Nur Afiqah Aina, Khee Chung Hui, Dita Floresyona, Norashikin Ahmad Kamal, and Nonni Soraya Sambudi. “Effect of PH on Adsorption of Cu2+ by Using Composite of Polyvinyl Alcohol (PVA)/Kaolin”. ASEAN Journal of Chemical Engineering 22, no. 1 (June 30, 2022): 93-104. Accessed July 18, 2024. https://jurnal.ugm.ac.id/v3/AJChE/article/view/9230.