Rehman, A. U.-, S. Arif, H. M. Hayat, A. Kamran, and S. Shakeel. “Prevalence and Risk Factors for Occupational Voice Problems in Teachers”. Asian Journal of Allied Health Sciences (AJAHS), Vol. 2, no. 2, Aug. 2020, pp. 33-36, doi:10.52229/ajahs.v2i2.297.