Selling blue elephants : how to make great products that people want before they even know they want them /
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| Format: | Book |
| Published: |
Upper Saddle River, N.J:
Wharton School Pub,
2007.
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| Item Description: | Includes bibliographical references and index. |
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| Physical Description: | xvi,252p: ill; 24cm. |
| ISBN: | 0136136680 |