LAKSANA, Bayu Dwi; AKBAR, Ali. Research on the Effect of the Addition of Trembesi Leaf Extract on Motorcycle Exhaust Emissions: Penelitian Tentang Pengaruh Penambahan Ekstrak Daun Trembesi Terhadap Emisi Gas Buang Sepeda Motor. Procedia of Engineering and Life Science, [S. l.], v. 2, n. 2, 2022. DOI: 10.21070/pels.v2i2.1209. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/1209. Acesso em: 25 jun. 2025.