«Analysis of the Efficiency of Hearing Protectors to Sound Pressure Levels Applied in Mechanical Manufacturing Processes of a PIM Company (119-130)». ITEGAM-JETIA 4, no. 15 (septiembre 30, 2018): 119–130. Accedido octubre 22, 2026. https://itegam-jetia.org/journal/index.php/jetia/article/view/368.