Successful focus groups advancing the state of the art
| Rannpháirtithe: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Newbury Park, California
Sage Publications
[1993]
|
| Sraith: | Sage focus editions
|
| Ábhair: |