| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| doi number finder | 1.11 | 0.1 | 6600 | 83 | 17 |
| doi | 0.36 | 0.9 | 473 | 74 | 3 |
| number | 0.5 | 0.7 | 961 | 2 | 6 |
| finder | 0.7 | 0.4 | 4198 | 91 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| doi number finder | 0.82 | 0.1 | 483 | 89 |
| doi finder by issn number | 0.7 | 0.8 | 9966 | 78 |
| issn number to doi | 0.23 | 0.8 | 9801 | 67 |
| search doi by issn | 1.09 | 0.3 | 3961 | 21 |
| how to find doi from issn | 0.83 | 0.1 | 999 | 25 |
| search by issn number | 1.95 | 0.4 | 1711 | 35 |
| doi finden mit issn | 0.18 | 0.5 | 477 | 72 |
| is an issn a doi | 1.06 | 0.9 | 5618 | 37 |
| how to find issn number | 1.03 | 0.4 | 5223 | 32 |
| search by doi number | 1.33 | 0.5 | 6504 | 56 |
