Orabi Al Rawi, Hani Qadan, and Shehdeh Ghannam. “Buckling of Steel Portal Frames Considering Material Non-Linearity”. Diyala Journal of Engineering Sciences 8, no. 2 (June 1, 2015): 72–83. Accessed November 23, 2024. https://djes.info/index.php/djes/article/view/313.