TY  - BOOK
AU  - Rubin,Allen  .
AU  - Babbie,Earl.
TI  - Research methods for social work / 
SN  - 0-534-26388-7
U1  - 361.0072 
PY  - 2001///
CY  - New York : 
PB  - Thomson publishing , 
KW  - Social work
ER  -