Al-Youzbakey, Kotayba Tawfiq, and Salim Mahmood Al-Dabbagh. “Geochemistry of Clay Minerals Associated With Phosphates in Akashat Formation (middle Paleocene), Iraqi Western Desert”. Journal of natural sciences, life and applied sciences 7, no. 2 (June 30, 2023): 1–14. Accessed December 20, 2025. https://www.ajsrp.ojsexpert.com/index.php/jnslas/article/view/6619.