2026-08-31T09:08:18Z https://rcin.org.pl/ifis/oai-pmh-repository.xml

oai:rcin.org.pl:190548 2022-12-05T13:24:36Z rcin.org.pl:partnerCollections:ifis rcin.org.pl rcin.org.pl:partnerCollections:ifis:library rcin.org.pl:literature rcin.org.pl:literature:booksChapters rcin.org.pl:partnerCollections:ifis:library:books rcin.org.pl:partnerCollections