MUSTAPA, Mohammad Sukri Bin; SETIAWAN, Agus; GUMONO, Gumono. The Effect of Active Carbon from Coconut Shell as an Adsorbent on Motorcycle Exhaust Gas Emissions and Engine Performance. Asian Journal Science and Engineering, [S. l.], v. 2, n. 1, p. 13–21, 2023. DOI: 10.51278/ajse.v2i1.675. Disponível em: https://attractivejournal.com/index.php/ajse/article/view/675. Acesso em: 18 apr. 2026.