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| direct sampling | |||
| direct observation | |||
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observation directe : 2 do fraz, 2 tematyki |
| Nauki o życiu | 1 |
| Technika i technologia | 1 |
|
| |||
| direct sampling | |||
| direct observation | |||
|
observation directe : 2 do fraz, 2 tematyki |
| Nauki o życiu | 1 |
| Technika i technologia | 1 |