TY  - BOOK
AU  - KRUEGER Richard A.
AU  - CASEY Mary Anne
TI  - Focus groups: a practical guide for applied research 
SN  - 9781412969475 (comb bound) :
PY  - 2009///
CY  - Thousand Oaks CA
PB  - Sage, 
KW  - FOCUS GROUPS
KW  - RESEARCH METHODS
ER  -