TY  - BOOK
AU  - Wadsworth,Barry J.
TI  - Piaget's theory of cognitive development: An introduction for students of psychology and education 
PY  - 1972///
CY  - New York
PB  - David McKay Co., Inc.
KW  - Piaget, Jean,
KW  - Cognition in children
KW  - Emotions in children
KW  - Child psychology
KW  - Cognition
KW  - In infancy and childhood
N1  - Includes index; Bibliogr.: p. 135-138
ER  -