Teaching Online: A Practical Guide-
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From $45.04 (New)
From $45.04 (New)
| Last Seen | |
| Highest | $49.95 Jan 30, '16 |
| Lowest | $33.98 Mar 17, '14 |
| Average | $45.04 (30d avg) $45.52 (90d avg) $45.16 (180d avg) $42.17 (365d avg) $42.90 (Lifetime average) |
| Added | Sep 10, 2013 |
| Last Seen | |
| Highest | $43.45 May 25, '14 |
| Lowest | $19.96 Aug 2, '14 |
| Average | $32.62 (30d avg) $35.96 (90d avg) $36.64 (180d avg) $34.66 (365d avg) $36.09 (Lifetime average) |
| Added | Sep 10, 2013 |
| Last Seen | |
| Highest | $44.60 Nov 20, '14 |
| Lowest | $10.00 Nov 30, '15 |
| Average | $23.34 (30d avg) $24.46 (90d avg) $22.45 (180d avg) $23.17 (365d avg) $26.82 (Lifetime average) |
| Added | Sep 10, 2013 |
30 day average: 209,556
90 day average: 175,659