2024-03-29T02:20:45Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:230100
2020-04-20T12:01:23Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary:EducationalMaterials:Pedagogics KujawskoPomorskaDigitalLibrary