 |
| |||
| доза за неделю; недельная доза | |||
| Wochendosis: 2 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
|
| |||
| доза за неделю; недельная доза | |||
| Wochendosis: 2 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |