S. H. Binti Mohd Ajis, Karthigesu A/L Nagarajoo, and Rus Azlizan Bin Mohd Ali, “Investigations on the Cross-hole Sonic Logging Test on Bored Piles at Bridge 29 in Section 8 for East Coast Rail Link (ECRL)”, peat, vol. 4, no. 2, pp. 1245–1251, Dec. 2023, Accessed: Jul. 18, 2024. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/12618