ASSESSMENT OF ACOUSTIC PROPERTY OF SAWDUST AND FINE SHARP SAND FOR THE FABRICATION OF SOUND-PROOF SECURITY DOOR. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 6, n. 1, p. 129–134, 2022. DOI: 10.33003/fjs-2022-0601-832. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/832. Acesso em: 11 sep. 2025.