
Working Minds: A Practitioner's Guide to Cognitive Task Analysis (MIT Press)-
Amazon
From $22.14 (New)

From $22.14 (New)

| Last Seen | |
| Highest | $22.26 Mar 10, '16 |
| Lowest | $18.72 Aug 10, '15 |
| Average | $22.21 (30d avg) $20.20 (90d avg) $19.98 (180d avg) $19.90 (365d avg) $19.75 (Lifetime average) |
| Added | Oct 7, 2013 |
| Last Seen | |
| Highest | $19.73 Dec 18, '15 |
| Lowest | $7.49 Aug 2, '15 |
| Average | $19.31 (30d avg) $19.31 (90d avg) $19.15 (180d avg) $16.62 (365d avg) $16.30 (Lifetime average) |
| Added | Oct 7, 2013 |
| Last Seen | |
| Highest | $19.27 Dec 7, '15 |
| Lowest | $2.18 Mar 10, '16 |
| Average | $4.19 (30d avg) $5.83 (90d avg) $10.33 (180d avg) $10.47 (365d avg) $10.66 (Lifetime average) |
| Added | Oct 7, 2013 |
30 day average: 253,217
90 day average: 501,021