TY  - BOOK
AU  - Flavell,John H.
TI  - The developmental psychology of Jean piaget: With a foreword 
T2  - The University series in psychology
AV  - BF431 F52
PY  - 1970///
CY  - New York
PB  - van nostrand
KW  - Piaget, Jean,
KW  - Inteligencia
ER  -