UGBANA NTE, Felix. Acoustical Evaluation of Machine Noise Using A and C Decibel Weighting. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 45, n. 2, p. 1–7, 2019. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/9905. Acesso em: 27 oct. 2025.