Zuhair Zainy, H.; D. Almawash, A.; K. Al-Raheem, S. .; S. Al-Ansari, L.; Al-Edhari, M. Theoretical and Experimental Investigation of Critical Buckling Load of Combined Columns. Kufa J. Eng. 2025, 16 (1), 344-360. https://doi.org/10.30572/2018/KJE/160120.