Consumer and opinion research the questionnaire technique

Consumer and opinion research the questionnaire technique

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Manylion Llyfryddiaeth
Prif Awdur: Blankenship, Albert Breneman 1914-
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: New York Harper and brothers [1943].
Pynciau:
Public opinion polls.
Market surveys.