| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free books on solar energy | 0.25 | 0.9 | 4696 | 29 |
| solar energy books pdf free download | 1.55 | 0.2 | 5466 | 99 |
| solar energy books free download | 1.51 | 1 | 1776 | 74 |
| books on solar energy pdf | 0.94 | 0.4 | 3507 | 14 |
| best books on solar energy | 1.24 | 0.2 | 8399 | 80 |
| solar energy books for students | 0.59 | 0.4 | 8715 | 53 |
| books on solar power | 1.54 | 0.9 | 9533 | 59 |
| solar energy books for professionals | 1.41 | 0.1 | 5356 | 31 |
| solar energy books for teachers | 1.05 | 0.4 | 125 | 39 |
| solar energy books for beginners | 0.5 | 1 | 6525 | 2 |
| solar energy books for engineers | 1.67 | 1 | 3606 | 55 |
| solar energy books for homeowners | 0.37 | 0.5 | 2844 | 93 |
| books on solar power systems | 1.98 | 0.3 | 4670 | 65 |
| solar power ebooks free download | 1.41 | 0.5 | 6025 | 56 |
| solar energy picture book | 0.97 | 0.2 | 614 | 82 |
| solar power books pdf | 0.89 | 0.2 | 9591 | 86 |
| solar power system books | 1.82 | 0.1 | 1291 | 86 |
