Trends and Issues in Instructional Design and Technology (3rd Edition)-
Amazon
From $91.75 (New)
From $91.75 (New)
| Last Seen | |
| Highest | $95.20 Apr 17, '15 |
| Lowest | $61.41 Sep 10, '13 |
| Average | $91.75 (30d avg) $91.08 (90d avg) $91.39 (180d avg) $90.32 (365d avg) $86.70 (Lifetime average) |
| Added | Sep 10, 2013 |
| Last Seen | |
| Highest | $94.24 Jun 19, '14 |
| Lowest | $40.00 Oct 20, '14 |
| Average | $87.67 (30d avg) $87.67 (90d avg) $87.67 (180d avg) $83.84 (365d avg) $83.57 (Lifetime average) |
| Added | Sep 10, 2013 |
| Last Seen | |
| Highest | $90.00 Aug 21, '14 |
| Lowest | $29.82 Feb 2, '15 |
| Average | $48.69 (30d avg) $52.76 (90d avg) $53.59 (180d avg) $58.68 (365d avg) $60.60 (Lifetime average) |
| Added | Sep 10, 2013 |
30 day average: 237,822
90 day average: 128,252