A.Amin, M., نبيل, S. AL-Hashimi, W. and Y.AL-Banna, N. (2025) “Oligocene – Miocene Boundary in Sheikh Ibrahim and Sasan Areas – NW Iraq”, Iraqi National Journal of Earth Science (INJES), 2(2), pp. 37–47. doi: 10.33899/earth.2002.43826.