M.W. Falah, Al-Khafaji, Z., R. Yaseen, D.F. Yousif, K.A. Hamza and S.S. Radhi 2022. Finite Element Simulations of the CFRP Retrofitted Hollow Square Columns : Hollow Square Columns . Electronic Journal of Structural Engineering. 22, 01 (May 2022), 1–13. DOI:https://doi.org/10.56748/ejse.2229701.