Najim abbas A. Experimental Study of Polypropylene Fiber Reinforced Concrete Panels Subjected to Elevated Temperatures. J. eng. sustain. dev. [Internet]. 2010 Jun. 1 [cited 2026 Jun. 5];14(2):110-26. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1460