Akram Hassan, Sawsan, Mithaq A. Louis, and Mohammed Khachi Hatim. 2009. “Effect of Elevated Temperatures on the Compressive Strength and Ultrasonic Pulse Velocity of Self Compacting Concrete”. Journal of Engineering and Sustainable Development 13 (2): 18-29. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1556.