A. Bilal, Adil, Mus’ab A. Al-Tamir, and Mohammad A. Said. 2007. “Evaluation of Wady ‘Eqab Wastewater Effluent and Its Effect Upon Tigris River”. Al-Rafidain Engineering Journal (AREJ) 15 (1):46-60. https://doi.org/10.33899/rengj.2007.44940.