Sabri, N. S. M., H. Hasbullah, M. S. Tohid, N. Ibrahim, R. M. Kasmani, R. R. Ali, S. A. Rahman, and D. G. Fresno. “Effect of Solvent Evaporation Time of Polysulfone Incorporated Copper Oxide Nanoparticles Incorporated Polysulfone Ultrafiltration Membrane on Protein Removal”. Journal of Applied Membrane Science & Technology 24, no. 3 (November 19, 2020). Accessed September 29, 2021. https://amst.utm.my/index.php/amst/article/view/183.