“Preparation of Pectin Membranes With Polyvinyl Alcohol (PVA) Blended Method As Dialysis Membrane for Urea Transport”. Jurnal Kimia Valensi 11, no. 1 (May 31, 2025): 30–40. Accessed October 16, 2025. https://journal.uinjkt.ac.id/valensi/article/view/40016.