References
^ Rawool, Vishakha Waman, Ph.D. (2014). Hearing Conservation : In Occupational, Recreational, Educational, and Home Settings, THIEME NEW YORK. BiggerBooks. ISBN 9781604062564 (revised Dec 2023)^ (2013). Hearing Conservation : In Occupational, Recreational, Educational, and Home Settings ECampus. ISBN 9781604062564 (revised Aug 2016)
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