TY  - BOOK
AU  - Ginsburg,Herbert
AU  - Opper,Sylvia
TI  - Piagets theory of intellectual development: an introduction
AV  - BF721  .G58 1969
U1  - 153  22nd ed.
PY  - 1969///
CY  - N.J.
PB  - Prentice-Hall
KW  - Cognition in children
KW  - Intellect
KW  - Education
KW  - Philosophy
N1  - Includes index
ER  -