Supramono, N.F.R. , Nurmansyah, F.A. , Ikhsan, M. , Saputro, E.A. and Saputro, W. 2023. Comparative Study of the Effect of Crude Palm Oil on Environmental Quality with Parameters: Lux, Vibration, and Noise Levels in Engines . Nusantara Science and Technology Proceedings. 2023, 36 (Dec. 2023), 61-67. DOI:https://doi.org/10.11594/nstp.2023.3610.