BoonthumWongchai, PoranatVisuwan, and SathapornChuepeng. “TIME AND FREQUENCY ANALYSISOF THE ENGINE SUPPORT VIBRATION WITH HYDROGEN-DIESEL DUAL-FUELING”. GEOMATE Journal, vol. 16, no. 56, Apr. 2019, pp. 1-8, https://geomatejournal.com/geomate/article/view/2570.