Herda Bimantara. 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 . J-MEEG [Internet]. 2024 May 28 [cited 2024 Jul. 16];3(1):242-7. Available from: http://jurnal.polinema.ac.id/index.php/j-meeg/article/view/3947