Al-Khafaf, I. and Al- Mutwali, M. (2018) “Planktonic Foraminiferal Biostratigraphy of the Upper part of Balambo Formation (Lower-Upper Cretaceous) in Azmer Anticline, Northeastern Iraq”, Iraqi National Journal of Earth Science (INJES), 18(2), pp. 35–60. doi: 10.33899/earth.2018.159257.