
- Designing Social Interfaces: Principles, Patterns, and Practices for Improving the User Experience (Animal Guide)
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| Latest | $23.69 Apr 17, '16 |
| Highest | $49.99 Dec 9, '15 |
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| Added | Jan 2, 2014 |
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| Added | Jan 2, 2014 |
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| Average | $0.84 (30d avg) $0.79 (90d avg) $1.12 (180d avg) $1.59 (365d avg) $1.74 (Lifetime average) |
| Added | Jan 2, 2014 |
30 day average: 913,398
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