Sivasubramanian, K., K. Ramanjaneyulu, K.P. Jaya, and M. Neelemegam. 2024. “Non-Destructive Evaluation in High Strength Concrete Using Ultrasonic Pulse Echo”. Journal of Structural Engineering 41 (4):341-48. http://14.139.176.44/index.php/JOSE/article/view/912.