A. Khanaqa, Polla, Kamal H. Karim, and Khalid M. Ismael. “Biostratigraphy of Bluish Marl Succession (Maastrichtian) in Sulaimanyia, Area, Kurdistan Region NE- Iraq”. Iraqi National Journal of Earth Science (INJES) 11, no. 2 (December 1, 2011): 81–99. Accessed September 4, 2025. https://ojs.uomosul.edu.iq/index.php/injes/article/view/41067.