Content Provider
University of Szeged: SZTE Repository of Papers and Books
68
University of Debrecen Electronic Archive (DEA)
18
Directory of Open Access Journals: DOAJ Articles
12
Hungarian Electronic Library (MEK)
3
Munich Personal RePEc Archive (MPRA - Ludwig-Maximilians-University Munich)
2
University of Szeged: SZTE Repository of Dissertations
2
University of West Hungary: Repository of Publications
2
Unknown
2
Corvinus University of Budapest: Research Archive
1
The Portal to Texas History (University of North Texas)
1
Zenodo
1