| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| bibliography on covid 19 | 1.79 | 0.1 | 6188 | 7 | 24 |
| bibliography | 1.28 | 0.1 | 5381 | 83 | 12 |
| on | 0.96 | 0.2 | 1683 | 32 | 2 |
| covid | 1.15 | 0.9 | 6803 | 21 | 5 |
| 19 | 1.83 | 0.5 | 8404 | 54 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bibliography on covid 19 | 0.29 | 0.3 | 2004 | 51 |
| annotated bibliography covid 19 | 1.45 | 0.2 | 1421 | 88 |
| references on covid 19 | 1.28 | 0.1 | 7425 | 51 |
| introduction on covid 19 | 0.3 | 0.2 | 470 | 34 |
| research on covid 19 pdf | 1.28 | 0.9 | 7606 | 49 |
| covid 19 overview pdf | 0.3 | 0.5 | 8615 | 98 |
| article about covid 19 pdf | 0.32 | 0.8 | 8553 | 55 |
| covid 19 articles pdf | 0.15 | 0.5 | 9179 | 74 |
| articles related to covid 19 | 1.49 | 0.2 | 5413 | 81 |
| covid 19 filetype pdf | 1.98 | 0.7 | 8174 | 95 |
| articles of covid 19 | 0.89 | 0.2 | 8615 | 70 |
| brief overview of covid 19 | 1.15 | 0.8 | 7555 | 90 |
| document about covid 19 | 1.95 | 0.9 | 6993 | 61 |
| research introduction about covid 19 | 0.59 | 1 | 5606 | 38 |
| article about covid 19 with author | 0.72 | 0.3 | 2786 | 18 |
| any information on covid-19 | 1.24 | 0.1 | 3934 | 35 |
| short information on covid-19 | 1.46 | 0.1 | 3753 | 18 |
| complete information about covid-19 | 1.14 | 0.9 | 553 | 57 |
