PENTON, S.; ARNOLD, L.; WALTERS, N. Noise Mitigation of Small PTAC Systems. Canadian Acoustics, [S. l.], v. 44, n. 3, 2016. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2981. Acesso em: 28 mar. 2024.