Content Provider
MTAK: REAL (Library and Information Centre of the Hungarian Academy of Sciences
4
Directory of Open Access Journals: DOAJ Articles
3
University of Szeged: SZTE Repository of Papers and Books
3
DataCite Metadata Store (German National Library of Science and Technology)
1
Ludovika HU Journals
1
MTAK Folyorat-Szerkesztö Rendszer (Magyar Tudományos Akadémia Könyvtára)
1
SZTE OJS Journals (University of Szeged)
1