Alkhaykanee MH, Al-Dulaimi SI. Biostratigraphy of Euphrates, Dhiban, and Jeribe formations in Ajil oil field, Salah Al-Deen Governorate, central Iraq. Iraqi Journal of Science. 2019;60(2):263-276. Accessed January 5, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/587