H. Al-Hassani and S. . Hannawayya, “Interaction Diagrams of Short Rectangular RPC Columns Under Combined Axial Load Plus Uniaxial Bending”, J. eng. sustain. dev., vol. 18, no. 4, pp. 1–15, Jul. 2014, Accessed: Apr. 20, 2025. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/827