TY  - BOOK
T1  - Genetic epistemology
A1  - Piaget, Jean 1896-
A2  - Duckworth, Eleanor
LA  - English
LA  - French
PP  - New York
PB  - Columbia University Press
YR  - 1970
UL  - https://tuklas.up.edu.ph/Record/UP-99796217601667013
OP  - 84
CN  - BF 723 C5 P53
KW  - Cognition in children.
KW  - Genetic epistemology.
ER  -