Dalaf, A. N., and S. D. Mohammed. “The Impact of Hybrid Fibers on Punching Shear Strength of Concrete Flat Plates Exposed to Fire”. Engineering, Technology & Applied Science Research 11, no. 4 (August 21, 2021): 7452–7457. Accessed October 22, 2021. https://etasr.com/index.php/ETASR/article/view/4314.