“Depositional Conditions and Nature of Source Rocks of the Upper Part of the Balambo Formation in Northeastern Iraq Based on Rare Earth Elements Data”. Iraqi Journal of Science 63, no. 9 (September 30, 2022): 3804–3816. Accessed March 29, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5403.