PERBBAIKAN GRADE RESISTANCE DAN ROLLING RESISTANCE TERHADAP FUEL RATIO. Jurnal Inovasi Pertambangan dan Lingkungan, [S. l.], v. 2, n. 2, p. 12–22, 2023. DOI: 10.15408/jipl.v2i2.28299. Disponível em: https://journal.uinjkt.ac.id/jipl/article/view/28299. Acesso em: 21 dec. 2025.