1. Neto FXP, Madeira AV, Rodrigues LG, Navarro LM Analysis of the Vocal Health of the Preachers of the Seventh-Day Adventist Churches. São Paulo
2. Babu S, Shaik S, ISSN 2320–5407 International Journal of Advanced Research (2016) Volume 4, Issue 2, 227–234. International Journal of Advanced Research. 2016;4(2)
3. Voice occupations – UNED Voice Lab [Internet]. [cited 2023 Feb 14]. https://unedvoicelab.com/voice-occupations/
4. Mattiske JA, Oates JM, Greenwood KM (1998) Vocal problems among teachers: a review of prevalence, causes, prevention, and treatment. J Voice 12(4):489–499
5. Boominathan P, Rajendran A, Nagarajan R, Seethapathy J, Gnanasekar M (2008) Vocal abuse and Vocal Hygiene practices among different Level Professional Voice users in India: a Survey. Asia Pac J Speech Lang Hear 11(1):47–53