TY - BOOK AU - Narayan, Jayanthi AU - Kutty, A. T. Thressia TI - Hand book for trainers of the persons with mental retardation : pre primary level curriculum package series - I SN - 208 U1 - 371.9 NAR PY - 2007/// CY - Madhya Pradesh PB - National Institute for the mentally handicapped N1 - Includes bibliographical references ER -