Al-Dujile, Luay. “Biostratigraphy of Lower Sarmord Formation in Kirkuk Well No-109. Nouthern Iraq”. Iraqi Journal of Science 55, no. 3B (November 24, 2023): 1312–1318. Accessed December 7, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11612.