Mustafa A. Mahmoud, and Rasheed M. Yousuf. “Measuring the Concentration of Uranium in the Qayyarah Oilfield and Refinery”. Tikrit Journal of Pure Science 26, no. 5 (November 21, 2021): 60–64. Accessed May 14, 2024. https://tjps.tu.edu.iq/index.php/tjps/article/view/179.