TY  - BOOK
AU  - Philips Jr. John, L.
TI  - The Origins of Intellect: Piaget's theory 
AV  - BF431 .P 47 1969
PY  - 1969///
CY  - U.S.A.
PB  - W.H  Freeman and company
KW  - The origins of intellect: Piaget's theory
ER  -