| google scholarly article search engine | 1.59 | 0.5 | 3999 | 38 | 88 |
| google scholar search engine journal article | 1.87 | 1 | 5907 | 44 | 59 |
| free scholarly article search engine | 0.32 | 0.7 | 7079 | 36 | 6 |
| scholarly journal article search engine | 1.59 | 0.3 | 2915 | 39 | 88 |
| google scholarly search engine download | 1.37 | 0.3 | 7574 | 39 | 88 |
| google scholarly articles search | 1.8 | 0.3 | 1772 | 32 | 20 |
| google search engine google scholar | 0.02 | 1 | 8285 | 35 | 38 |
| google scholar as a search engine | 1.15 | 0.9 | 5900 | 33 | 51 |
| search engines for scholarly articles | 1.99 | 0.2 | 7164 | 37 | 42 |
| scholar articles search engines | 1.67 | 0.2 | 5961 | 31 | 57 |
