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أثر
الغابات على البيئة
| أثر | |
| environ. | monumentos |
| |||
| monumentos | |||
| أثر: 87 phrases in 9 subjects |
| Environment | 27 |
| International Monetary Fund | 44 |
| Mathematics | 1 |
| Power system protection | 1 |
| Radio | 2 |
| Radiobiology | 4 |
| Semiconductors | 5 |
| Statistics | 2 |
| Vacuum tubes | 1 |