Choomalee, Kittisakdi, Supeecha Rungruang, Chutarat Sathiraphanya, and Thitiworn Choosong. “Validation of an Awareness and Preparedness on a Hearing Conservation Program Questionnaire: A Cross Sectional Study in Thailand”. Journal of Health Science and Medical Research 36, no. 2 (May 24, 2018): 127–134. Accessed May 5, 2024. https://he01.tci-thaijo.org/index.php/jhsmr/article/view/125494.