| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| directory of open access books | 1.18 | 0.9 | 159 | 70 |
| directory of open access books doab | 1.74 | 0.6 | 3268 | 9 |
| open access books search | 0.54 | 0.6 | 379 | 63 |
| directory of open access | 1.2 | 0.3 | 2153 | 71 |
| open access books pdf | 1.81 | 0.6 | 6453 | 5 |
| open access books online | 1.22 | 0.3 | 1677 | 45 |
| direction of open access books | 1.83 | 0.5 | 9731 | 37 |
| the directory of open access journals | 1.92 | 0.3 | 7850 | 88 |
| directory of open access journals free | 0.81 | 0.9 | 5295 | 40 |
| open access book publishing | 1.95 | 0.5 | 1668 | 70 |
| open access books meaning | 1.25 | 1 | 8494 | 21 |
| open access books 2023 | 1.68 | 0.3 | 5206 | 55 |
| open access book publishers | 1.5 | 1 | 3028 | 40 |
| directory of open access scholarly resources | 0.33 | 0.4 | 1728 | 89 |
| google books open access | 0.14 | 0.2 | 9910 | 3 |
| open access books oxford university press | 1.5 | 1 | 4237 | 61 |
| open access to digital books | 0.26 | 0.4 | 1784 | 64 |
| open access ebooks pdf | 1.79 | 0.6 | 3870 | 98 |
| access books for free | 0.73 | 0.5 | 1995 | 77 |
