2024-03-29T14:11:25Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:81519
2018-01-18T11:48:09Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary KujawskoPomorskaDigitalLibrary:EducationalMaterials:Agriculture