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An experiment in methods for determining the relative effectiveness of various types of radio presentation

LD2668 .T4 1940 W41 / Master of Science

Identiferoai:union.ndltd.org:KSU/oai:krex.k-state.edu:2097/24237
Date January 1940
CreatorsWebster, Norman Coates.
Source SetsK-State Research Exchange
Detected LanguageEnglish
TypeText

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