S. Al-Nu’man, Bayan, and Abdulkader Ismail Al-Hadithi. 2009. “Flexural Behaviour of Polymer Modified Reinforced Concrete Beams”. Journal of Engineering and Sustainable Development 13 (1): 89-110. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1536.