Hayder Ahmed Hasaan, Zeki Abd-Jaber Algaisy, Omer Mhommod Marbit, Hadi Mohmmed Jaber, and Takrid M. Nfae. 2011. “Assessment of Radioactivity for Selected Regions in Wasit and Al-Anbar Governorates ”. Journal of Madenat Alelem University College 3 (2), 5-16. http://116.203.176.164/index.php/JMAUC/article/view/257.