TY  - BOOK
AU  - Maier,Henry W.
TI  - Three theories of child development : : the contributions of Erik H . Erikson, Jean Piaget, and Robert R. Sears, and their applications / 
U1  - 305.231 
PY  - 1969///
CY  - New York : 
PB  - Harper & Row, 
KW  - Erikson, Erik H. 
KW  - Piaget, Jean, 
KW  - Sears, Robert R. 
KW  - Child psychology
N1  -  Includes bibliographical references
ER  -