Ahmed, Rasha S, Raghad S Mohammed, and Ahlam Rashid Kharbat. 2018. “Determination of the Radiation Hazard Indices and Excess Lifetime Cancer Risk in Iraqi Bentonite”. Al-Nahrain Journal of Science 21 (1): 52-58. https://anjs.edu.iq/index.php/anjs/article/view/154.