2024-03-28T20:48:45Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:37740
2011-03-29T16:08:19Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials:Economics KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary