DETERMINATION OF BACKGROUND NOISE WHEN DESIGNING SANITARY PROTECTION ZONES AND AIRPORT ZONES. Journal Akustika, [S. l.], v. 39, n. 39, 2025. DOI: 10.36336/30r53m60. Disponível em: https://journalakustika.com/index.php/akustika/article/view/19. Acesso em: 3 apr. 2025.