
- Research and Documentation in the Electronic Age
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From $15.79 (New)

From $15.79 (New)

| Latest | $15.79 1 day ago |
| Highest | $23.39 Jan 21, '15 |
| Lowest | $9.75 Sep 11, '13 |
| Average | $15.68 (30d avg) $15.86 (90d avg) $16.01 (180d avg) $15.63 (365d avg) $13.93 (Lifetime average) |
| Added | Sep 11, 2013 |
| Latest | $6.95 1 day ago |
| Highest | $20.00 Jan 11, '15 |
| Lowest | $3.00 Aug 1, '15 |
| Average | $6.95 (30d avg) $6.81 (90d avg) $7.37 (180d avg) $8.28 (365d avg) $10.09 (Lifetime average) |
| Added | Sep 11, 2013 |
| Latest | $0.47 1 day ago |
| Highest | $10.00 Feb 1, '15 |
| Lowest | $0.01 Nov 21, '15 |
| Average | $0.95 (30d avg) $1.07 (90d avg) $0.64 (180d avg) $0.98 (365d avg) $3.41 (Lifetime average) |
| Added | Sep 11, 2013 |
30 day average: 341,162
90 day average: 241,931