TY - GEN AU - Dulani, D. M. N. AU - Amarasinghe, N. TI - Awareness among 'special education teachers' (service period less than 5 and 5 or more than 5) about alternative communication methods use for students with hearing impairments(HI) in deaf schools in Western province PY - 2014/// CY - Kelaniya PB - University of Kelaniya KW - Student Research Reports N1 - Research Project ER -