A. M, A., A. S. AL-Hyali, E., & A.Azeez, A. (2013). Comparison Study of the Adsorption of Copper Ions By Activated Carbon and A Locally Collected Bentonite. Journal of Education and Science (JES), 26(2), 1–19. https://doi.org/10.33899/edusj.2013.89806