| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| reference definition in research | 1.51 | 0.3 | 8006 | 43 | 32 |
| reference | 1.13 | 0.5 | 2134 | 75 | 9 |
| definition | 1.93 | 0.1 | 161 | 66 | 10 |
| in | 1.14 | 0.4 | 6936 | 36 | 2 |
| research | 0.87 | 0.4 | 7215 | 69 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| reference definition in research | 0.55 | 0.8 | 8147 | 34 |
