RAMAKRISHNAN, R. Simple noise control solutions for building systems - Three case studies. Canadian Acoustics, [S. l.], v. 27, n. 2, p. 3–12, 1999. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1189. Acesso em: 29 jun. 2022.