| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| grey literature meaning | 0.36 | 1 | 1079 | 86 | 23 |
| grey | 0.31 | 0.7 | 7481 | 34 | 4 |
| literature | 0.2 | 0.1 | 5069 | 54 | 10 |
| meaning | 1.5 | 0.2 | 1826 | 94 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| grey literature meaning | 0.14 | 0.9 | 4717 | 81 |
| grey literature meaning in research | 0.07 | 0.1 | 9640 | 37 |
| grey literature meaning in urdu | 0.87 | 0.9 | 1711 | 95 |
| what is the meaning of grey literature | 0.07 | 0.1 | 8924 | 57 |
| meaning of grey literature | 0.31 | 0.8 | 7291 | 57 |
| what is a grey literature | 1.35 | 0.2 | 5127 | 11 |
| what is meant by grey literature | 0.18 | 0.8 | 3577 | 88 |
| definition of grey literature | 1.27 | 0.6 | 7706 | 66 |
| grey literature or gray literature | 1.2 | 0.7 | 4676 | 58 |
| what is gray literature | 1.67 | 0.9 | 931 | 51 |
| definition of gray literature | 0.55 | 0.3 | 1350 | 58 |
| what counts as grey literature | 1.79 | 0.2 | 4051 | 8 |
| grey literature in literature reviews | 0.69 | 0.4 | 2749 | 33 |
| importance of grey literature | 1.21 | 0.1 | 2866 | 95 |
| what is grey literature in systematic reviews | 0.88 | 0.2 | 6866 | 61 |
| grey literature vs academic literature | 0.86 | 0.2 | 1530 | 69 |
| how to find grey literature | 0.59 | 0.1 | 8422 | 37 |
| what is a grey literature search | 0.9 | 0.4 | 1304 | 10 |
| is grey literature peer reviewed | 0.64 | 0.3 | 8163 | 3 |
| how to find gray literature | 1.2 | 1 | 8943 | 35 |
| what is a gray literature search | 1.2 | 0.6 | 7466 | 56 |
