A Review on Tribological Parameters for Fault Diagnosis in Spur Gears. International Journal of Current Engineering and Technology, [S. l.], v. 12, n. 4, p. 326–334, 2022. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1842. Acesso em: 13 mar. 2026.