How to conduct consumer and opinion research; the sampling survey in operation

How to conduct consumer and opinion research; the sampling survey in operation

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Dades bibliogràfiques
Autor principal: Blankenship, Albert Breneman 1914- ed
Altres autors: Market Surveys
Format: Llibre
Idioma:English
Publicat: New York Harper [c1946].
Matèries:
Public opinion polls.