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