TY  - BOOK
AU  - Gold,Ron
TI  - The Description of cognitive development: three Piagetian themes
SN  - 0198521502
PY  - 1987///
CY  - Oxford
PB  - Clarendon
KW  - Cognition
KW  - Theory of knowledge
KW  - sears
N1  - Includes bibliographical references
ER  -