TY  - BOOK
AU  - Massialas, Byron G.,
AU  - Smith, Frederick R.,
TI  - New challenges in social studies: Implications of research for teaching 
U1  - 300.71 
PY  - 1965///
CY  - California
PB  - Wadsworth publishing company
KW  - Social studies
N1  - Includes index
ER  -