
- Perspectives on Free and Open Source Software (MIT Press)
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Amazon
From $24.25 (New)

From $24.25 (New)

| Latest | $24.25 Apr 15, '16 |
| Highest | $38.00 Aug 28, '15 |
| Lowest | $24.25 Mar 23, '16 |
| Average | $24.25 (30d avg) $25.20 (90d avg) $25.97 (180d avg) $28.04 (365d avg) $27.74 (Lifetime average) |
| Added | Mar 5, 2015 |
| Latest | $6.01 Apr 15, '16 |
| Highest | $10.00 Apr 27, '15 |
| Lowest | $2.84 Mar 5, '15 |
| Average | $6.01 (30d avg) $6.01 (90d avg) $6.01 (180d avg) $6.75 (365d avg) $6.80 (Lifetime average) |
| Added | Mar 5, 2015 |
| Latest | $1.73 Apr 15, '16 |
| Highest | $1.73 Mar 23, '16 |
| Lowest | $0.01 Apr 27, '15 |
| Average | $1.73 (30d avg) $0.89 (90d avg) $0.45 (180d avg) $0.23 (365d avg) $0.20 (Lifetime average) |
| Added | Mar 5, 2015 |
30 day average: 3,871,117
90 day average: 3,827,134