Jahjah, Ghandi, Ihsan Altarsha, and Dareen Alsalamah. 2020. “Effect Strengthen of Reinforced Concrete Beams With Created Central Opening With CFRP Around These Opening Under Combined Torsion and Bending”. Tishreen University Journal -Engineering Sciences Series, 42 (1). https://journal.tishreen.edu.sy/index.php/engscnc/article/view/9432.