TY  - BOOK
AU  - London Herbert J
TI  - Social science theory :  Structure and application   
SN  - 0814749585
U1  - T:3(Sigma), L5 
PY  - 1975///
CY  - New York
PB  - University Press U. S. A.     
KW  -  Education
KW  - Teaching Techniques
ER  -