Al-Zaidy, A. A. H. “Facies Analysis and Sequence Stratigraphy of the Zubair Formation in the Kifl Oil Field, Central of Iraq”. Iraqi Journal of Science, Vol. 60, no. 2, Feb. 2019, pp. 341-52, https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/733.