Mohammed, K. A.; Umer , M. I.; Alyazichi , Y. M. NITRIFYING AND PATHOGENIC BACTERIAL FLUCTUATION DURING NITROGEN REMOVAL FROM WASTEWATER IN ZAKHO CITY IRAQ. SJUOZ 2023, 11 (2), 227-231. https://doi.org/10.25271/sjuoz.2023.11.2.1058.