| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| open access publication pdf | 1.35 | 1 | 2268 | 92 | 27 |
| open | 0.37 | 0.3 | 8859 | 52 | 4 |
| access | 1.97 | 0.5 | 4971 | 70 | 6 |
| publication | 1.97 | 1 | 8062 | 46 | 11 |
| 1.4 | 0.9 | 5197 | 71 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| open access publication pdf | 1.52 | 0.2 | 3610 | 10 |
