 |
| |||
| principle of sustainable development | |||
| zasada zrównoważonego rozwoju: 6 phrases in 3 subjects |
| Economy | 1 |
| Environment | 4 |
| Transport | 1 |
|
| |||
| principle of sustainable development | |||
| zasada zrównoważonego rozwoju: 6 phrases in 3 subjects |
| Economy | 1 |
| Environment | 4 |
| Transport | 1 |