Herda Bimantara 2024. EFFECT OF IGNITION TIMING CHANGES ON EXHAUST EMISSIONS IN KEN AROK URBAN CAR FUELED BY ETHANOL E100: PENGARUH PERUBAHAN IGNITION TIMING TERHADAP EMISI GAS BUANG PADA MOBIL URBAN KEN AROK BERBAHAN BAKAR ETHANOL E100 . Jurnal Teknik Mesin. 3, 1 (May 2024), 242–247. DOI:https://doi.org/10.33795/j-meeg.v3i1.3947.