TY  - BOOK
AU  - GREIF Geoffrey L.
AU  - Geoffrey L. Greif
AU  - Paul H Ephross
TI  - Group work with populations at risk
SN  -  9780195398564
U1  - 361.4 
PY  - 2011///
CY  - New York
PB  - Oxford university press
KW  - Social group
KW  - population at risk
N1  - Includes index and references
ER  -