Content Provider
Unknown
25
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
10
LSRC VL (Lithuanian Social Research Centre Virtual Library)
10
Directory of Open Access Journals: DOAJ Articles
8
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
6
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
5
Connexions (Educational Material)
4
University of Tartu: ojs.utlib.ee
4
Archives ouvertes de Paris-Saclay
3
NORA (National aggregator of open repositories of Russian universities)
3
PubMed Central (PMC)
3
Siberian Federal University: Archiv Elektronnych SFU
3
Université de Nantes: HAL-UNIV-NANTES
3
Wiley Online Library
3
DataCite Metadata Store (German National Library of Science and Technology)
2
Max Planck Society: MPG.PuRe
2
OpenEdition
2
Umeå University: Publications (DiVA)
2
University of Calgary Journal Hosting
2
Vilnius University Virtual Library (VU VL)
2
Arctic Portal Library
1
Cambridge University Press (via Crossref)
1
Carolina Digital Repository (UNC - University of North Carolina)
1
Directory of Open Access Books (DOAB)
1
ETH Zürich Research Collection
1
Forum: Qualitative Social Research
1
International Christian University Repository
1
Journal Tourism Studies & Practices (RTEP/UERN)
1
La Trobe University (Melbourne): Research Online
1
MDPI Open Access Publishing
1
National Institute of Polar Research Repository, Japan
1
Open Research Library
1
Oxford University Press
1
ScienceDirect (Elsevier - via Crossref)
1
Springer Nature (via Crossref)
1
The University of Kansas: KU ScholarWorks
1
University of Toronto Press (U Toronto Press)
1
University of Tromsø: Munin Open Research Archive
1
University of Western Sydney (UWS): Research Direct
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
theses.fr
1