P.M, J., and A. S. “Prevalence of Children At-Risk for Developing Communication Disorders in the Urban Primary Schools of Dharwad”. Journal of All India Institute of Speech and Hearing, Vol. 39, no. 1, Sept. 2020, pp. 65-71, http://203.129.241.91/jaiish/index.php/aiish/article/view/1297.