Al-Mutwali, M., ماجد, Al-Khafaf, E., & ایناس. (2025). Calcareous Nannofossils Biostratigraphy of the Lower Part of Balambo Formation (Lower Cretaceous) in Azmir Anticline - Northeastern Iraq. Iraqi National Journal of Earth Science (INJES), 19(1), 19–38. https://doi.org/10.33899/earth.2019.170269