TY  - BOOK
AU  - Estvan,Frank J.
TI  - Social studies in a changing world: curriculum and instruction
U1  - 300.7 
PY  - 1968///
CY  - New York
PB  - Harcourt, Brace & World
KW  - Social sciences
KW  - Study and teaching
N1  - sources of social studies curriculum and instruction;
social studies curriculum;
social studies instruction

ER  -