B. Mohammed, Awaz, Siraj M.A.Goran, and Maysoon M. Al-Taee. 2010. “The Efficiency of Drinking -Water-Treatment Processes in Removing of Some PAHs Compounds from Water in Erbil City-Iraq ”. University of Thi-Qar Journal of Science 2 (3): 27-40. https://jsci.utq.edu.iq/index.php/main/article/view/479.