Abdallah, F.T. and Al-Dulaimi, S.I. (2019) “Biostratigraphy of the Upper Cretaceous for selected sections in northern Iraq”, Iraqi Journal of Science, 60(3), pp. 545–553. Available at: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/639 (Accessed: 8 December 2025).