| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| issn and isbn meaning | 0.27 | 0.4 | 5198 | 95 | 21 |
| issn | 0.61 | 1 | 3356 | 70 | 4 |
| and | 1.76 | 0.5 | 4669 | 67 | 3 |
| isbn | 0.39 | 0.3 | 1561 | 97 | 4 |
| meaning | 1.17 | 0.3 | 4922 | 91 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| issn and isbn meaning | 0.44 | 0.7 | 3552 | 53 |
