M. Al-Mutuuali, Majid, and Alaa M. Al-Wazan. “Planktonic Forminiferal Biostratigraphy of Kolosh Formation (Paleocene) in Dohuk Area North Iraq”. Iraqi National Journal of Earth Science (INJES) 10, no. 1 (June 1, 2010): 1–22. Accessed September 4, 2025. https://ojs.uomosul.edu.iq/index.php/injes/article/view/40776.