TY  - BOOK
AU  - Rubin, Allen
AU  - Babbie, Earl R.
TI  - Esenial research methods for social work
SN  - 0495006580
U1  - 361.0072 
PY  - 2007///
CY  - Belmont, CA
PB  - Thomson Brooks/Cole
KW  - Social service - Research - Methodology
KW  - Social service - Research - Cercetare - Исследование
ER  -