TY  - BOOK
AU  - Ginsburg,Herbert
AU  - Opper,Sylvia
TI  - Piaget's theory of intellectual development / 
U1  - 155.413 
PY  - 1979///
CY  - Englewood Cliffs, N.J. : 
PB  - Prentice-Hall, 
KW  - Piaget, Jean, 
KW  - Cognition in children
KW  - Philosophy
KW  - Intellect
KW  - Education
N1  -  Includes bibliographical references (p. 239-244) and index
ER  -