Successful focus groups advancing the state of the art
| Main Author: | |
|---|---|
| Format: | Book |
| Published: |
Newbury Park, Calif.
SAGE Pub.
1993.
|
| Subjects: |
| Main Author: | |
|---|---|
| Format: | Book |
| Published: |
Newbury Park, Calif.
SAGE Pub.
1993.
|
| Subjects: |