Salman, Huda M., and Ahmed Abed Mohammed. “Removal Of-Copper Ions-from Aqueous Solution Using Liquid-Surfactant-Membrane Technique”. Iraqi Journal of Chemical and Petroleum Engineering 20, no. 3 (September 30, 2019): 31-37. Accessed November 17, 2019. http://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/731.