TY  - BOOK
AU  - Greenbaum,Thomas L
TI  - The handbook for focus group research
SN  - 0761912525
U1  - 658.83 
PY  - 1998///
CY  - Thousand Oaks, Calif.
PB  - Sage
KW  - Mercadeo
KW  - Investigaciones
ER  -