C. M. Chan and S. Ch'ng, “Preliminary Study of S-Wave Velocity and Unconfined Compressive Strength of Cement- Palf Stabilised Kaolin”, ijie, vol. 2, no. 2, Sep. 2011, Accessed: Jul. 03, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/206