L. A. Al-jaberi and A. Mahdi Ali, “Evaluation of Compressive Strength by Non- Destructive Test Using Ultrasonic Pulse Velocity With Maximum Size Aggregate (10 And 20)mm”, J. eng. sustain. dev., vol. 18, no. 3, pp. 208–222, May 2014, Accessed: Apr. 04, 2025. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/918