| |||
| использование природных ресурсов | |||
|
natural resources utilization : 8 phrases in 3 subjects |
| Ecology | 6 |
| Geophysics | 1 |
| United Nations | 1 |
| |||
| использование природных ресурсов | |||
|
natural resources utilization : 8 phrases in 3 subjects |
| Ecology | 6 |
| Geophysics | 1 |
| United Nations | 1 |