TY  - BOOK
AU  - Harshwaradhana 
TI  - Growth and development of mentally retarded
SN  - 8187475005
U1  - 362.2 
PY  - 1999///
CY  - New Delhi 
PB  - JDS Books Company 
KW  - Deviation of body
KW  - Mean and standards
N1  - Includes bibliographical references
ER  -