| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| electronic reference materials | 1.1 | 0.1 | 4894 | 68 | 30 |
| electronic | 1.82 | 0.9 | 934 | 32 | 10 |
| reference | 1.86 | 0.8 | 5130 | 62 | 9 |
| materials | 2 | 0.8 | 9269 | 34 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| electronic reference materials | 1.45 | 0.7 | 5857 | 26 |
