Nazar A.Husein, Murtada A.Sayah, Falah SH. Hussein, Alaa H. Muhsen, and Basem H. Essa. “Characterization of Radioactivity Contaminated Sites in Thi-Qar Governorate”. Journal of Madenat Alelem University College, Vol. 12, no. 2, Dec. 2020, pp. 148-55, http://116.203.176.164/index.php/JMAUC/article/view/367.