Abdul-Kareem, M. B., & Faisal, A. A. (2020). Permeable Reactive Barrier of Coated Sand by Iron Oxide for Treatment of Groundwater Contaminated with Cadmium and Copper Ions. Al-Khwarizmi Engineering Journal, 16(2), 47-55. https://doi.org/10.22153/kej.2020.05.002