Puttala, S., Jamsei, S., Srithong, J., Jodnok, K., Meekoh, P., Jansong, D., & Homwuttiwong, S. (2023). Mathematical Model of Single Piles Embedded in Clay and Sand Layers Compared with the Dynamic Load Test. RMUTL Engineering Journal, 8(1), 21–29. https://doi.org/10.14456/rmutlengj.2023.3