Maitham A. Sultan, Hassan H. Sultan 2021. Biological Reduction of Chemical Oxygen Demand (COD) & Biological Oxygen Demand (BOD) of AL-Najaf Oil Refinery Wastewater Using Locally Bacterial Isolates of Pseumonasaeruginosa , Alcaligenesfaecalis. Annals of the Romanian Society for Cell Biology. 25, 6 (May 2021), 6021–6030.