How to conduct consumer and opinion research : the sampling survey in operation /
Gorde:
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York ; London :
Harper & brothers,
[1946].
|
| Gaiak: |
Aurkibidea:
- - Surveys reported to business and industry. - Surveys reported to government. - Surveys reported to the public.