M.G., S., and P. Karanth. “Linguistic Profile Test (LPT) - Normative Data for Children in Grades I to V”. Journal of All India Institute of Speech and Hearing, Vol. 21, no. 1, June 1990, pp. 14-27, http://203.129.241.91/jaiish/index.php/aiish/article/view/1199.