Naif Al-Khazaraji A, Ali Al-Rabii S, Shamkhi Al-Khazaali H. VALIDATION OF DERIVED EQUATION USING ENERGY TECHNIQUE FOR CALCULATING THE CRITICAL BUCKLING LOAD FOR INTERMEDIATE AND LONG COLUMNS. J. eng. sustain. dev. [Internet]. 2016 Jul. 1 [cited 2026 Jun. 4];20(4):217-3. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/608