2024-03-28T20:09:31Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:21247
2019-01-23T13:54:35Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials:Economics KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary