ALBERTI, P. W.; RIKO, K.; ABEL, S. M.; KRISTENSEN, R. The Effectiveness of Hearing Protectors in Practice. Canadian Acoustics, [S. l.], v. 9, n. 1, p. 22–29, 1981. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/451. Acesso em: 20 apr. 2024.