TY  - BOOK
AU  - Stewart, David W
AU  - Shamdasani, Prem N
TI  - Focus groups: theory and practice
T2  - Applied social research methods series
SN  - 0803933894
U1  - 300.723, 
PY  - 1990///
CY  - Newbury Park
PB  - Sage
ER  -