Hamid, M. F., Yusof, N., Ismail, N. M., & Azali, M. A. (2020). Role of Membrane Surface Charge and Complexation-Ultrafiltration for Heavy Metals Removal: A Mini Review. Journal of Applied Membrane Science &Amp; Technology, 24(1). https://doi.org/10.11113/amst.v24n1.170