LANGFORD, W. H. Industrial Noise Legislation in Canada, 1972. Canadian Acoustics, [S. l.], v. 1, n. 1, p. 2–6, 1973. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/353. Acesso em: 19 may. 2024.