Content Provider
North Dakota State University (NDSU): Digital Horizons
12
Unknown
12
Zenodo
11
SAGE Publications (via Crossref)
10
DataCite Metadata Store (German National Library of Science and Technology)
6
Directory of Open Access Journals: DOAJ Articles
6
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
5
Loyola University Chicago Digital Special Collections
4
OpenEdition
4
Cambridge University Press
3
Claremont Colleges Digital Library (CCDL)
3
SAGE Publications
3
Saint Louis University Libraries Digital Collections
3
University of Iceland: Peer Reviewed Journals
3
Australian National University: ANU Digital Collections
2
Croatian Digital Theses Repository (National and University Library in Zagreb)
2
CyberLeninka (Scientific Electronic Library)
2
IOP Publishing
2
Memorial University of Newfoundland: Research Repository
2
Normandie Université: HAL
2
Oxford University Press (via Crossref)
2
Persée: Portail de revues scientifiques en sciences humaines et sociales
2
The University of Split Repository
2
Universidade de Brasília: Portal de Periódicos da UnB
2
University of Lethbridge Digitized Collections
2
Wiley Online Library
2
Aalto University Publication Archive (Aaltodoc)
1
Ball State University: Digital Media Repository
1
Biodiversity Heritage Library (BHL)
1
Columbia University: Academic Commons
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
Digital Commons @ George Fox University
1
Journals at the University of Arizona
1
Karlstad University: Publications (DIVA)
1
Maynooth University ePrints and eTheses Archive (National University of Ireland)
1
Pensoft Publishers
1
Portail HAL-ANR (Agence Nationale de la Recherche)
1
PubMed Central (PMC)
1
Publication Database IASS (Institute for Advanced Sustainability Studies Potsdam)
1
Repository of the University of Ljubljana (RUL)
1
Repozytorium Uniwersytetu w Białymstoku (RUB)
1
Saint Mary's University, Halifax: Institutional Repository
1
ScienceDirect (Elsevier)
1
Tamkang University Institutional Repository (TKUIR) / 淡江大學機構典藏
1
The University of Alabama at Birmingham: UAB Libraries' Digital Collections
1
Universidad Complutense de Madrid (UCM): Revistas Científicas Complutenses
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
University of Northern Iowa: UNI ScholarWorks
1
University of Otago: Research Archive (OUR Archive)
1
University of San Diego: Digital@USanDiego
1
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