| google scholar search books | 0.72 | 0.5 | 269 | 27 | 32 |
| google scholar books search engine | 0.26 | 0.1 | 8606 | 34 | 27 |
| google scholar books search advanced | 1.6 | 1 | 8048 | 36 | 89 |
| google scholar books search by title | 1.58 | 0.1 | 1654 | 36 | 42 |
| google scholar books search by language | 1.85 | 0.8 | 1129 | 39 | 14 |
| google scholar books search by publisher | 0.02 | 0.3 | 680 | 40 | 98 |
| google scholar search engine for students | 0.81 | 0.4 | 8391 | 41 | 72 |
| google scholar uk search engine | 1.94 | 0.9 | 5016 | 31 | 31 |
| google scholar web search engine | 1.9 | 0.7 | 2352 | 32 | 42 |
| is google scholar a search engine | 0.8 | 0.2 | 2591 | 33 | 25 |
| google scholar search engine database | 1.53 | 0.5 | 8453 | 37 | 33 |
| best search engine google scholar | 1.94 | 0.9 | 1714 | 33 | 73 |
| google scholar educational search engines | 0.47 | 0.2 | 8034 | 41 | 48 |
