2026-08-18T06:30:43Z https://dlibra.pbs.edu.pl/oai-pmh-repository.xml

oai:dlibra.pbs.edu.pl:979 2017-02-13T13:34:32Z dLibraDigitalLibrary dLibraDigitalLibrary:FacultyUTP dLibraDigitalLibrary:FacultyUTP:FacManag dLibraDigitalLibrary:monograph