TY  - BOOK
AU  - Balgopal,Pallassana R.
AU  - Vassil,Thomas V.
TI  - Groups in social work: an ecological perspective 
SN  - 0023055308
U1  - 361.4 19
PY  - 1983///
CY  - New York, London
PB  - Macmillan, Collier Macmillan
KW  - Social group work
N1  - Includes index; Bibliography: p. 315-329
ER  -