Amorim, Francisco Carlos Tavares, Edinaldo Jose de Sousa Cunha, David Barbosa de Alencar, Jorge de Almeida Brito Júnior, Manoel Henrique Reis Nascimento, and Carlos Alberto Oliveira de Freitas. “Analysis of the Efficiency of Auditory Protectors Used in the Civil Construction Industry in the City of Manaus in Brazil”. International Journal of Advanced Engineering Research and Science 6, no. 1 (October 24, 2019). Accessed November 21, 2024. https://journal-repository.com/index.php/ijaers/article/view/1120.