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| protection of species Measures adopted for the safeguarding of species, of their ecosystems and their biodiversity | |||
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sugu aizsardziba : 4 do fraz, 2 tematyki |
| Nauki o życiu | 2 |
| Ochrona środowiska | 2 |
|
| |||
| protection of species Measures adopted for the safeguarding of species, of their ecosystems and their biodiversity | |||
|
sugu aizsardziba : 4 do fraz, 2 tematyki |
| Nauki o życiu | 2 |
| Ochrona środowiska | 2 |