Hassan, Shatha F. “Limestone Reserve Calculation for Engineering Purposes for the Nfayil Formation (middle Miocene) in Bahr Al-Najaf Depression, Iraq”. Iraqi Journal of Science 63, no. 8 (August 31, 2022): 3533–3543. Accessed January 7, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5585.