2026-07-23T05:57:00Z https://rcin.org.pl/oai-pmh-repository.xml

oai:rcin.org.pl:262714 2026-05-25T22:31:24Z rcin.org.pl rcin.org.pl:literature:journalArticles rcin.org.pl:literature rcin.org.pl:partnerCollections:iaie:institutepublications:journals:sprawarch rcin.org.pl:partnerCollections:iaie:institutepublications rcin.org.pl:partnerCollections:iaie:institutepublications:journals rcin.org.pl:partnerCollections:iaie rcin.org.pl:partnerCollections