Direct mail testing for fund raisers : what to test ; how to test ; how to interpret the results / Joseph P. Kachorek.

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Bibliographic Details
Main Author: Kachorek, Joseph P.
Language:English
Published: Chicago, Ill. : Precept Press, Inc., [1991], ©1991.
Subjects:
Physical Description:185 pages : illustrations ; 24 cm
Format: Book

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