Shahath Khalaf, Manahel, and Amer Mohammed Ibrahim. “Bending Behavior of Steel Circular Hollow Sections With Openings”. Association of Arab Universities Journal of Engineering Sciences 24, no. 3 (December 21, 2017): 216-226. Accessed November 23, 2024. https://jaaru.org/index.php/auisseng/article/view/65.