TY  - BOOK
TI  - Principles and practices in the teaching of the social sciences concepts and values
SN  - 0-15-377312-4
U1  - Prof. 300.1 P957 1970 
PY  - 1970///
CY  - San Francisco
PB  - Center for the Study of Instruction
KW  - Social sciences
KW  - Principles and theories
ER  -