H. Matti, Raid, and Dr. Rafi K. Al-bazzaz. “Buckling Behavior of Aluminum Plate With Circular and Elliptical Shapes of Central Cutout”. Al-Rafidain Engineering Journal (AREJ) 21, no. 3 (June 28, 2013): 1–10. Accessed September 5, 2025. https://jamh.uomosul.edu.iq/index.php/arej/article/view/30909.