 |
| |||
| svan (olor…) | |||
| Cygnus: 6 phrases in 4 subjects |
| Environment | 3 |
| Fish farming pisciculture | 1 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |
|
| |||
| svan (olor…) | |||
| Cygnus: 6 phrases in 4 subjects |
| Environment | 3 |
| Fish farming pisciculture | 1 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |