Lim, Debra Vennesa, and Sallehuddin Shah bin Ayop. “Reliability of Non-Destructive Test Approach on Structural Strength Assessment”. Recent Trends in Civil Engineering and Built Environment, vol. 4, no. 1, May 2023, pp. 098-07, https://penerbit.uthm.edu.my/periodicals/index.php/rtcebe/article/view/5583.