2024. Dynamics Responses of a Block Machine Foundation and a Pile Group Foundation Systems on Stratified Residual Soils in Indonesia by Lumped Mass and Finite Element Methods. Journal of Engineering and Technological Sciences. 56, 2 (Apr. 2024), 244–265. DOI:https://doi.org/10.5614/j.eng.technol.sci.2024.56.2.6.