Poznatky z pokusu o pedagogickú sondu
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| Format: | Article |
| Language: | Slovak |
| PhysicalDescription: | Res. rus., angl. Tb. 7., lit. 3 zázn. v slov., češ., ruš. |
| Subjects: |
| Main Author: | |
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| Format: | Article |
| Language: | Slovak |
| PhysicalDescription: | Res. rus., angl. Tb. 7., lit. 3 zázn. v slov., češ., ruš. |
| Subjects: |
