 |
| |||
| double cross-section; compound cross-section | |||
|
profil double : 2 do fraz, 2 tematyki |
| Nauka o ziemi | 1 |
| Technika i technologia | 1 |
|
| |||
| double cross-section; compound cross-section | |||
|
profil double : 2 do fraz, 2 tematyki |
| Nauka o ziemi | 1 |
| Technika i technologia | 1 |