| Rank | Article | Purchases | Purchases per MonthA |
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| 31 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.19 | ||||||
| 32 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.17 | ||||||
| 33 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.16 | ||||||
| 34 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.16 | ||||||
| 35 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.16 | ||||||
| 36 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.15 | ||||||
| 37 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.15 | ||||||
| 38 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.14 | ||||||
| 39 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.13 | ||||||
| 40 |
|
HTML
free!
PDF ($22 pay-per-download, free for members [$4.92/mo.] |
1 | 0.13 | ||||||
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Purchases
Purchases per Month A Purchases per month statistic may be artifically inflated for newly published articles |
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