Nassir Hawas, G., عمر, A. Abed Ibrahim, جنان, O. Sabah Al-Tamimi, and احمد. “Evaluation of Radon Concentrations in The Soil of Kirkuk City”. Iraqi National Journal of Earth Science (INJES), vol. 24, no. 1, June 2025, pp. 122-35, doi:10.33899/earth.2023.140762.1092.