2024-03-29T10:11:27Z
http://pbc.up.krakow.pl/oai-pmh-repository.xml
oai:pbc.up.krakow.pl:6638
2023-10-04T13:45:55Z
PedagogicalDigitalLibrary:textbook_museum PedagogicalDigitalLibrary:Dziedzictwo PedagogicalDigitalLibrary PedagogicalDigitalLibrary:Dziedzictwo:Books