“Biostratigraphy of Dammam Formation Succession in Boreholes N2 and S1 in Al-Najaf and Al-Samawa Area”, Iraqi Journal of Science, vol. 57, no. 3A, pp. 1795–1805, Apr. 2022, Accessed: May 18, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7072