2024-03-29T08:11:35Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:178921
2017-03-20T14:33:15Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary KujawskoPomorskaDigitalLibrary:EducationalMaterials:Agriculture