Abdulhakim Mohammed, D., M. H. Rathi, and E. H. Hummadi. “Pollution Levels of Lead and Copper in the Areas Surrounding Diyala State Company, Iraq: 10.32526/ennrj/24/20250191”. Environment and Natural Resources Journal, vol. 24, no. 2, Feb. 2026, pp. 186-98, https://ph02.tci-thaijo.org/index.php/ennrj/article/view/260508.