2026-04-24T17:25:32Z https://rcin.org.pl/iae/oai-pmh-repository.xml

oai:rcin.org.pl:245072 2025-05-25T19:07:33Z rcin.org.pl rcin.org.pl:partnerCollections:iaie:books rcin.org.pl:literature rcin.org.pl:literature:booksChapters rcin.org.pl:partnerCollections:iaie:books:books rcin.org.pl:partnerCollections:iaie rcin.org.pl:partnerCollections