osj.lev1EN | Natural Sciences |
osj.lev2EN | Chemistry |
osj.lev3EN | Organic Chemistry |
osj.lev1PL | nauki przyrodnicze |
osj.lev2PL | biologia |
osj.lev3PL | chemia organiczna |
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osj.lev1EN | Natural Sciences |
osj.lev2EN | Chemistry |
osj.lev3EN | Organic Chemistry |
osj.lev1PL | nauki przyrodnicze |
osj.lev2PL | biologia |
osj.lev3PL | chemia organiczna |