Lacerda A, Ribas A, Mendes J, Andrade P. Noise level and its perception by commuters in urban buses of Curitiba. Canadian Acoustics [Internet]. 2004 Dec. 1 [cited 2026 May 27];32(4):53-9. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1706