Kh. Emhemed, Ahmad, Rasheed M. Yousuf, and Hana Hassan. “Determination of the Specific Activity of Cs137 and K40 in Environmental Nineveh Governorate”. Rafidain Journal of Science 19, no. 4 (August 1, 2008): 205–220. Accessed September 29, 2025. https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47553.