Nasir Ghadhban Al-Maliki, Hadi, and Mahmood Shukri Mahmood. “Structural Behavior Investigation of Reinforced Concrete Tapered Solid and Hollow Section Columns under Axial Load”. Association of Arab Universities Journal of Engineering Sciences 25, no. 2 (April 7, 2018): 1-18. Accessed March 29, 2024. https://jaaru.org/index.php/auisseng/article/view/130.