Zainorabidin, Adnan, et al. “Establishment of Dynamic Properties for Malaysian Peat Soil Using Multichannel Analysis of Surface Waves”. International Journal of Integrated Engineering, vol. 16, no. 4, Aug. 2024, pp. 154-61, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/16333.