Designing surveys a guide to decisions and procedures
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Thousand Oaks, Calif.
Pine Forge Press
c1996.
|
| Cyfres: | The Pine Forge Press series in research methods and statistics
|
| Pynciau: |


