| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| journal article database free | 1.97 | 0.4 | 121 | 38 | 29 |
| journal | 0.49 | 0.3 | 9791 | 50 | 7 |
| article | 0.61 | 1 | 2790 | 89 | 7 |
| database | 1.08 | 1 | 9306 | 41 | 8 |
| free | 1.52 | 0.5 | 9251 | 50 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| journal article database free | 1.61 | 0.3 | 9172 | 11 |
