Khwedim, Kareem, Muaiad Tahir Ahmed, and Mohamed A. Najemalden. “Survey of Some Heavy Metals and Radioactivity in the Dust in A Selected Area in Kirkuk Governorate- Northern Iraq”. Iraqi Journal of Science 63, no. 9 (September 30, 2022): 3817–3824. Accessed January 4, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5479.