mohammed ali abbas, W. and Yassin Mahmood, F. 2009. Removal of PO4, NH3 and NO3 from hospital wastewater in Mosul City by SBR technique. Al-Rafidain Engineering Journal (AREJ). 17, 6 (Dec. 2009), 30–44. DOI:https://doi.org/10.33899/rengj.2009.43625.