Environmental effects of biodiesel engines fuelled by waste cooking Oil and Metal Nano additives. ITEGAM-JETIA, [S. l.], v. 10, n. 48, p. 179–183, 2024. DOI: 10.5935/jetia.v10i48.1172. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/1172. Acesso em: 23 oct. 2026.