Biostratigraphy of Dammam Formation Succession in Boreholes N2 and S1 in Al-Najaf and Al-Samawa Area. Iraqi Journal of Science. 2022;57(3A):1795-1805. Accessed May 18, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7072