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Directory of Open Access Journals: DOAJ Articles
45
Unknown
22
Digital Repository of Scientific Institutes (RCIN)
14
Digital Library of the Faculty of Arts, Masaryk University
2
BBC - Bałtycka Digital Library (Poland)
1
Digital Library of University of Wroclaw
1
Digital Library of Wielkopolska
1
Pomeranian Library of Szczecin: Digital Library
1