MIRAFLORES, K. M. A. R. Extended drain interval performance of SAE 15W40 CI-4 diesel engine oil under plain and inclined terrain operations. Innovation in Engineering, [S. l.], v. 3, n. 1, p. 69–78, 2026. DOI: 10.58712/ie.v3i1.45. Disponível em: https://ie.rlsociety.org/index.php/ie/article/view/45. Acesso em: 20 apr. 2026.