| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| solar energy books pdf free download | 0.8 | 0.8 | 8366 | 85 |
| free books on solar energy | 1.14 | 1 | 1468 | 16 |
| solar energy pdf download | 1.34 | 0.8 | 5904 | 76 |
| books for solar energy | 1.69 | 0.3 | 892 | 26 |
| solar power books pdf | 0.44 | 1 | 667 | 19 |
| solar power ebooks free download | 1.74 | 0.8 | 7389 | 4 |
| solar energy books for engineers | 0.54 | 0.1 | 7707 | 3 |
| solar energy books for students | 0.53 | 0.2 | 9070 | 54 |
| solar energy books for teachers | 0.51 | 0.1 | 557 | 18 |
| solar energy books for professionals | 0.17 | 1 | 565 | 16 |
| solar system book pdf free download | 0.72 | 0.6 | 336 | 69 |
| pdf on solar energy | 0.86 | 0.6 | 116 | 32 |
| books on solar power | 1.94 | 0.9 | 3254 | 6 |
| solar energy handbook pdf | 1.53 | 0.2 | 5506 | 26 |
| solar energy picture book | 0.7 | 0.6 | 7560 | 68 |
| solar power system books | 1.66 | 0.3 | 3145 | 97 |
