Distribution and Enrichments of Abundant and Trace Elements in Al-Khassa Sub Basin Soil, Kirkuk, Northeastern of Iraq. Iraqi Journal of Science [Internet]. 2022 Dec. 30 [cited 2024 May 10];63(12):5338-52. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6061