R. . I. Khalel, “TORSIONAL BEHAVIOR OF NORMAL-STRENGTH REINFORCED CONCRETE BEAMS”, J. eng. sustain. dev., vol. 19, no. 5, pp. 190–205, Sep. 2015, Accessed: Apr. 11, 2025. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/823