Group techniques for idea building
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Thousand Oaks, Calif.
Sage
c1994.
|
| Rhifyn: | 2nd ed. |
| Cyfres: | Applied social research method series
v.9 |
| Pynciau: |