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| research project | |||
| research project Proposal, plan or design containing the necessary information and data for conducting a specific survey | |||
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tutkimushanke : 1 do fraz, 1 tematyki |
| Ochrona środowiska | 1 |
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| |||
| research project | |||
| research project Proposal, plan or design containing the necessary information and data for conducting a specific survey | |||
|
tutkimushanke : 1 do fraz, 1 tematyki |
| Ochrona środowiska | 1 |