Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
ebooks free download pdf textbooks | 1.46 | 0.9 | 1312 | 7 |
textbook ebook free download pdf | 0.42 | 0.7 | 8418 | 83 |
ebook textbooks free download pdf | 0.06 | 0.6 | 8575 | 57 |
free download ebooks online pdf | 0.66 | 0.5 | 5251 | 3 |
free download ebooks pdf | 0.86 | 0.5 | 3247 | 28 |