“Didactic Prototype for Spectral Signature Identification and Vibrations in Small Equipment (183-187)”, JETIA, vol. 4, nº 15, p. 183–187, set. 2018, Acesso em: 23º de outubro de 2026. [Online]. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/376