Tested advertising methods ; how to profit by removing guesswork /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York, London :
Harper & brothers,
[1947]
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| Subjects: |
| Item Description: | "Revised edition." |
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| Physical Description: | 6 preliminary leaves, 276 pages : frontispiece, illustrations, plates. ; 22 cm. |