How to conduct consumer and opinion research : the sampling survey in operation /
Збережено в:
Автор: | |
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Формат: | Книга |
Мова: | English |
Опубліковано: |
New York ; London :
Harper & brothers,
[1946].
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Предмети: |
Зміст:
- - Surveys reported to business and industry. - Surveys reported to government. - Surveys reported to the public.