TY  - BOOK
AU  - Ehman,Lee
AU  - Mehlinger,Howard
TI  - Toward effective instruction in secondary social studies
SN  - 0395176255
U1  - 373.300 
PY  - 1974///
CY  - Boston
PB  - Houghton Mifflin Company
KW  - Social studies
KW  - Study and teaching
ER  -