EVALUATION OF WALNUT SHELL ABRASIVE SANDPAPER. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 5, n. 1, p. 339–346, 2021. DOI: 10.33003/fjs-2021-0501-574. Disponível em: http://162.254.38.185/index.php/fjs/article/view/574. Acesso em: 17 sep. 2025.