2024-03-29T16:15:55Z
http://pbc.up.krakow.pl/oai-pmh-repository.xml
oai:pbc.up.krakow.pl:474
2012-02-14T14:19:28Z
PedagogicalDigitalLibrary:textbook_museum PedagogicalDigitalLibrary:Dziedzictwo PedagogicalDigitalLibrary PedagogicalDigitalLibrary:Dziedzictwo:Books PedagogicalDigitalLibrary:subjectcollections PedagogicalDigitalLibrary:textbook_museum:mathematics PedagogicalDigitalLibrary:subjectcollections:schoolreports PedagogicalDigitalLibrary:textbook_museum:primers