Nur, M. . and Erna Wahyu P., A. (2020) “Analysis of Impact Due to Octan 92, 95, and Eco Racing Value Mixture for Engine Performance and Emission of Gas”, Airman: Jurnal Teknik dan Keselamatan Transportasi, 3(1), pp. 42–49. doi: 10.46509/ajtk.v3i1.156.