N. Mohamed Sutan, S. Hamdan, and M. Meganathan, “EFFECTIVENESS OF ULTRASONIC METHOD IN DETECTION OF CONCRETE DETERIORATION ”, Solid State Sci. Technol., vol. 11, no. 1, pp. 83–88, Aug. 2025, Accessed: Jul. 28, 2026. [Online]. Available: https://journal.massmalaysia.org/ojs/index.php/ssst/article/view/115