POST BUCKLING BEHAVIOR OF PRISMATIC STRUCTURAL STEEL MEMBERS USING FINITE ELEMENT METHOD. J. eng. sustain. dev. [Internet]. 2015 Sep. 1 [cited 2024 Jul. 22];19(5):224-46. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/824