ANALYSIS OF FRICTION AND WEAR COEFFICIENT IN BEARING STEEL WITH IRON OXIDE NANOPARTICLE LUBRICANT. ITEGAM-JETIA, [S. l.], v. 5, n. 18, p. 89–93, 2019. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/416. Acesso em: 23 oct. 2026.