TY  - BOOK
AU  - Singer,Dorothy G
AU  - Revenson,Tracey A
TI  - Piaget primer : how a child thinks 
SN  - 9780452275652
AV  - BF723.C5 S6 1978b
U1  - 155.413 23
PY  - 1996///
CY  - New York 
PB  - Plume Book
KW  - Cognition in children
ER  -