ROZIKIN, N. A. .; FIRDAUS, R. . Effect Of Additional Variations Of Etanol Fuel On Exhaust Gas Emissions On Yamaha 125cc Motorcycles: Pengaruh Variasi Penambahan Bahan Bakar Etanol Terhadap Emisi Gas Buang Pada Sepeda Motor Yamaha 125cc. Academia Open, [S. l.], v. 4, p. 10.21070/acopen.4.2021.1969, 2021. DOI: 10.21070/acopen.4.2021.1969. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/1969. Acesso em: 18 sep. 2025.