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| 16131. RESOURCES IN MARKER RESEARCH. OVERVIEW OF WHERE THE BUSINESSMAN CAN BUY TESTING SERVICES IN MEDIA RESEARCH, PRODUCT-CONCEPT, OPINION, AND PACKAGING RESEARCH; NAMES COMPANIES SUCH AS NIELSEN, GALLUP, MANY OTHERS IN THESE FIELDS AND TELLS WHAT THEY DO. (PRE-TEST ADS, PACKAGES, ETC.) 20P., OF., 4B |
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$133
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