Razali , Ailin, and Nor Azlina Abdul Rahman. “A Qualitative Study of Factors Affecting the Compliance of Hearing Protective Device Usage Among Factory Workers in Kuantan”. IIUM Medical Journal Malaysia 15, no. 1 (June 1, 2016). Accessed January 25, 2022. https://journals.iium.edu.my/kom/index.php/imjm/article/view/1290.