2024-03-28T12:33:00Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:64388
2017-10-17T10:56:42Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary KujawskoPomorskaDigitalLibrary:EducationalMaterials:Agriculture