
- Context and Consciousness: Activity Theory and Human-Computer Interaction
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From $73.00 (New)

From $73.00 (New)

| Latest | $73.00 Apr 16, '16 |
| Highest | $73.00 Jan 28, '16 |
| Lowest | $64.88 Jan 22, '16 |
| Average | $73.00 (30d avg) $72.04 (90d avg) $69.20 (180d avg) $68.56 (365d avg) $68.18 (Lifetime average) |
| Added | Sep 16, 2013 |
| Latest | $44.95 Apr 16, '16 |
| Highest | $60.80 May 12, '14 |
| Lowest | $28.00 Apr 26, '15 |
| Average | $44.95 (30d avg) $44.95 (90d avg) $44.95 (180d avg) $43.48 (365d avg) $48.55 (Lifetime average) |
| Added | Sep 16, 2013 |
| Latest | $11.55 Apr 16, '16 |
| Highest | $30.00 May 2, '14 |
| Lowest | $5.99 Feb 14, '15 |
| Average | $11.90 (30d avg) $11.82 (90d avg) $12.06 (180d avg) $13.98 (365d avg) $19.08 (Lifetime average) |
| Added | Sep 16, 2013 |
30 day average: 1,874,858
90 day average: 1,536,345