Utomo, Kis Yoga, Alimuddin Alimuddin, and Cahyono H P. 2020. “Analisis Kerusakan Dan Mekanisme Travel Motor Pada Excavator R220-9S”. Jurnal Ilmiah Giga 23 (1):35-43. https://doi.org/10.47313/jig.v23i1.868.