Zolkefle, S. N. A., A. Zainorabidin, S. F. Harun, and H. M. Mohamad. “Influence of Damping Ratio and Dynamic Shear Modulus for Different Locations of Peat”. International Journal of Integrated Engineering, Vol. 10, no. 9, Jan. 2019, https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/2551.