Hassan A. A. Aljumaily, and Noor M. Sameen. “Geochemical Content of Lead and Its Distribution in Soil of Kirkuk City Northern Iraq”. Tikrit Journal of Pure Science 22, no. 1 (January 19, 2023): 128–139. Accessed November 7, 2025. https://tjpsj.org/index.php/tjps/article/view/617.