Gamification by design : implementing game mechanics in web and mobile apps /
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| Format: | Book |
| Language: | English |
| Published: |
Sebastopol, Calif. :
O'Reilly Media,
2011
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| Item Description: | Includes index. |
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| Physical Description: | xix, 182 p. : col. ill. ; 24 cm. |
| ISBN: | 9781449397678 1449397670 |