Julianto, Eko, Dony Stiawan, Fuazen Fuazen, and Eko Sarwono. 2020. “EFFECT OF IGNITION SYSTEM IN MOTORCYCLE TO PERFORMANCE AND EXHAUST GAS EMISSIONS WITH FUEL RON 88, RON 90, AND RON 92”. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin 14 (2):74-79. https://doi.org/10.24853/sintek.14.2.74-79.