2024-03-29T01:21:20Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:150233
2016-01-21T10:53:50Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary KujawskoPomorskaDigitalLibrary:EducationalMaterials:Sociology