“VALIDATION OF THE RESULTS OF NON-DESTRUCTIVE TESTS IN DETERMING COMPRESSIVE STRENGTH OF CONCRETE” (2019) Journal of Engineering and Sustainable Development, 23(3), p. Ar-1-Ar-11. Available at: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/212 (Accessed: 7 May 2024).