Al-Rubai, H. and Al-Mutwali, M. 2020. Planktonic Foraminiferal Biosatratigraphy of the Eocene – Oligocene Boundary at Sinjar Area, NW Iraq. Iraqi National Journal of Earth Science (INJES). 20, 2 (Dec. 2020), 1–18. DOI:https://doi.org/10.33899/earth.2020.170355.