TY  - BOOK
AU  - Mayer Robert R. Au.
AU  -  Greenwood Ernest Au.
TI  - Design of social policy research
SN  - 0132015587
U1  - Yb4, M0 
PY  - 1980///
CY  - New Jersey 
PB  -  Prentice-Hall, Inc. USA     
ER  -