TY  - GEN
AU  - Devi , T.Kalyani 
TI  - Environmental deprivation and perceptual tasks of pre-school children
SN  - 8171414400
U1  - 372.21 
PY  - 1998///
CY  - New Delhi
PB  - Discovery Publishing
KW  - PRESCHOOL EDUCATION
KW  - EDUCATION
ER  -