Filter System Designed to Reduce The Emission of Gasoline Motorcycle Pollutants. Machine : Jurnal Teknik Mesin, [S. l.], v. 11, n. 2, p. 169–173, 2025. DOI: 10.33019/rwkk7894. Disponível em: https://www.journal.ubb.ac.id/index.php/machine/article/view/7022. Acesso em: 14 apr. 2026.