Nassir Hawas, Genan, Ahmed Abed Ibrahim, and Omer S. Al-Tamimi. “Evaluation of Radon Concentrations in The Soil of Kirkuk City”. Iraqi National Journal of Earth Science (INJES) 24, no. 1 (January 1, 2024): 122–135. Accessed September 2, 2025. https://ojs.uomosul.edu.iq/index.php/injes/article/view/40968.