2024-03-28T14:42:19Z
http://pbc.up.krakow.pl/oai-pmh-repository.xml
oai:pbc.up.krakow.pl:1493
2023-10-18T11:22:12Z
PedagogicalDigitalLibrary:textbook_museum PedagogicalDigitalLibrary:Dziedzictwo PedagogicalDigitalLibrary PedagogicalDigitalLibrary:Dziedzictwo:Books PedagogicalDigitalLibrary:subjectcollections PedagogicalDigitalLibrary:textbook_museum:chemistry PedagogicalDigitalLibrary:subjectcollections:schoolreports