MODELLING AND OPTIMIZATION OF TRIBOLOGICAL BEHAVIOUR OF COCONUT AND JUTE FIBERS WITH NANO ZnO FILLERS ON POLYMER MATRIX COMPOSITES . Journal of Manufacturing Engineering, [S. l.], v. 9, n. 4, p. 234–241, 2014. Disponível em: https://smenec.org/index.php/1/article/view/264. Acesso em: 28 jun. 2025.