“A COMBINED ULTRASONIC PROCEDURE TO EVALUATE DAMAGE IN CONCRETE BEAMS SUBJECTED TO STATIC LOAD ”. Journal of Engineering and Sustainable Development 28, no. 02 (March 1, 2024): 213–221. Accessed May 19, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/2149.