2024-03-29T00:13:03Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:75727
2021-05-19T12:24:09Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary:EducationalMaterials:Science KujawskoPomorskaDigitalLibrary:EducationalMaterials:Librarianship KujawskoPomorskaDigitalLibrary