I. H. SHEIKH; N. NAZ; R. HAIDER; F. HUSSAIN; M. F. ALAM; M. ARSHAD; M. NADEEM. Impact of Engine Oil change on vehicular exhaust emissions. Pakistan Journal of Science, [S. l.], v. 76, n. 03, p. 408–413, 2024. DOI: 10.57041/vol76iss03pp408-413. Disponível em: https://pjosr.com/index.php/pjs/article/view/1187. Acesso em: 30 apr. 2026.