TY  - BOOK
AU  - Phillips, John L.
TI  - The Origins of Intellect Piaget's Theory; GSC000262, GSC000263
SN  - 071670580X
U1  - 155.413 P561O 
PY  - 1969///
CY  - San Francisco
PB  - W. H. Freeman and Company
KW  - Child study
KW  - Intellect - Piaget's Theory
ER  -