Alkhaykanee, Mustafa H., and Salam Ismeal Al-Dulaimi. “Biostratigraphy of Euphrates, Dhiban, and Jeribe Formations in Ajil Oil Field, Salah Al-Deen Governorate, Central Iraq”. Iraqi Journal of Science 60, no. 2 (February 28, 2019): 263-276. Accessed December 5, 2021. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/587.