Dr. Mohamad T. Al-Layla, Prof., and Dr.Qutayba Nazar Al-Saffar. “Improving The Engineering Properties of The Gypseous Soil Using Dynamic Compaction Method”. Al-Rafidain Engineering Journal (AREJ) 22, no. 2 (April 28, 2014): 109–122. Accessed September 8, 2025. https://jamh.uomosul.edu.iq/index.php/arej/article/view/30889.