| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| core sources by bradford's law | 0.18 | 0.7 | 4540 | 5 | 30 |
| core | 1.37 | 0.6 | 4517 | 90 | 4 |
| sources | 1.56 | 0.1 | 5502 | 66 | 7 |
| by | 1.7 | 0.5 | 1689 | 80 | 2 |
| bradford's | 0.28 | 0.7 | 2386 | 61 | 10 |
| law | 1.99 | 0.5 | 2860 | 76 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| core sources by bradford's law | 0.3 | 0.2 | 4106 | 76 |
