| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| approval letter to conduct research in school | 1.93 | 0.4 | 641 | 94 |
| sample approval letter to conduct research | 1.03 | 0.6 | 7040 | 86 |
| letter of approval to conduct research | 0.86 | 0.8 | 9362 | 4 |
| letter for approval in research | 1.38 | 0.8 | 2109 | 63 |
| letter of approval for research sample | 1.14 | 0.8 | 8643 | 21 |
| approval letter for research project | 1.07 | 0.9 | 8475 | 70 |
| sample of approval letter for research paper | 1.05 | 1 | 5504 | 5 |
| research approval letter template | 0.45 | 0.4 | 8624 | 47 |
| letter of approval for research survey | 1.07 | 0.8 | 5594 | 64 |
| approval letter for research proposal | 0.36 | 0.9 | 4909 | 84 |
| letter of approval for school activity | 1.01 | 0.2 | 8626 | 90 |
| approval letter for research protocol | 1.72 | 0.7 | 2205 | 44 |
| letter of approval to conduct survey | 1.98 | 0.2 | 965 | 77 |
| request letter to conduct a research study | 0.41 | 0.1 | 1290 | 57 |
| ethical approval letter for research | 0.59 | 0.9 | 9259 | 97 |
