T. A. Al-Shammery and A. J. Al-Naji, “Investigation of Sand Dunes Sedimentary Structures – Najaf Governorate – IRAQ”, Iraqi Journal of Science, vol. 60, no. 1, pp. 77–90, Jan. 2019, Accessed: Jun. 27, 2026. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/564