TY  - BOOK
AU  - Rao, T. A. Subba 
TI  - Manual on developing communication skills in persons with mental retardation
SN  - 184
U1  - 371.9 SUB 
PY  - 2006///
CY  - New Delhi
PB  - National Institute for the mentally handicapped
N1  - Includes bibliographical references
ER  -