Al-Jadiri, M. S. F., and A. M. I. Said. “Reinforced Concrete Columns Insulated by Different Gypsum Layers Exposed to 900°C One Side Fire Flame”. Engineering, Technology & Applied Science Research, vol. 13, no. 5, Oct. 2023, pp. 11586-92, doi:10.48084/etasr.6083.