Biostratigraphy of Dammam Formation Succession in Boreholes N2 and S1 in Al-Najaf and Al-Samawa Area. Iraqi Journal of Science [Internet]. 2022 Apr. 28 [cited 2024 Dec. 24];57(3A):1795-80. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7072