Studying Flexural Behavior of Reinforced Concrete Beams Strengthened with Different Lengths of FRP Strips by Using NSM Technique. Tikrit j. eng. sci. [Internet]. 2013 Jun. 30 [cited 2026 Sep. 9];20(2):1-11. Available from: https://www.tj-es.com/ojs/index.php/tjes/article/view/403