N. Hamza, Janan. “Impact of Tigris River Pollution on the Performance of Water Treatment Plants Efficiencies in Baghdad City”. Iraqi Journal of Chemical and Petroleum Engineering 9, no. 3 (September 30, 2008): 9–20. Accessed November 22, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/441.