TY - GEN AU - Herath, H. M. M. K. I. AU - Hettiarachchi, S. TI - A comparative study of receptive and expressive vocabulary development in children aged 2-5 years with profound hearing loss undergoing an intensive auditory-oral education compared to their age matched typically developing peers PY - 2013/// CY - Kelaniya PB - University of Kelaniya KW - Student Research Reports N1 - Research Project ER -