How to conduct consumer and opinion research : the sampling survey in operation /
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York ; London :
Harper & brothers,
[1946].
|
| Pynciau: |
Tabl Cynhwysion:
- - Surveys reported to business and industry. - Surveys reported to government. - Surveys reported to the public.