A. S. Al- Shaarbaf, Ihsan, Mohammed J. H. Al-zubaidi, and Emad A. A. Al- Zaidy. “Effect of Hollowing Ratio on the Behavior of Hollow Self-Compacting Reinforced Concrete Slender Column Under Eccentric Loading”. International Journal of Engineering & Technology 7, no. 4.20 (November 28, 2018): 390–394. Accessed April 27, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/26141.