Sunarsieh, Sunarsieh, and Paulina Paulina. 2022. “The Use of Coconut Fiber Padded Seat in Reducing Vibration and Fatigue of Bus Drivers”. The Indonesian Journal of Occupational Safety and Health 11 (SI):1-9. https://doi.org/10.20473/ijosh.v11iSI.2022.1-9.