Al-Jadiri, Mohanad Salih Farhan, and Abdul Muttalib I. Said. 2023. “Reinforced Concrete Columns Insulated by Different Gypsum Layers Exposed to 900°C One Side Fire Flame”. Engineering, Technology & Applied Science Research 13 (5). Greece:11586-92. https://doi.org/10.48084/etasr.6083.