A. Ahmad, M. Yunos, Z. Harun, M. Hassan, S. Adzila, A. Arifin, M. Rahman, R. Haq, N. Baharulrazi, Performance of Polysulfone/PANI Membrane for Humic Acid Separation, Chemical Engineering Transactions. 56 (2017) 703-708. doi:10.3303/CET1756118.