Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
90
Cambridge University Press
35
SAGE Publications (via Crossref)
35
Directory of Open Access Journals: DOAJ Articles
31
University of Calgary Journal Hosting
19
Cambridge University Press (via Crossref)
12
Unknown
10
Informa (via Crossref)
8
Brill (via Crossref)
7
Uppsala University: Publications (DiVA)
7
Oxford University Press (via Crossref)
6
Swedish Museum of Natural History: Publications (DiVA)
5
University of California: eScholarship
5
The University of Queensland: UQ eSpace
4
Athabasca University Press (via Crossref)
3
SSOAR - Social Science Open Access Repository
3
VIURRSpace (Royal Roads University and Vancouver Island University)
3
Western Libraries OJS
3
Cyprus University of Technology: Ktisis Institutional Repository
2
Dialnet - Portada de revistas (Universidad de La Rioja)
2
Informa
2
Institut national de la recherche scientifique, Québec: Espace INRS
2
Johns Hopkins University Press (via Crossref)
2
Open Access Journal Hosting (University of British Columbia)
2
Queen's University, Ontario: QSpace
2
Research from Toronto Metropolitan University
2
University of Malta: OAR@UM
2
University of Oklahoma/Oklahoma State University: SHAREOK Repository
2
University of Tyumen: UTMN Repository
2
University of Victoria (Canada): UVicDSpace
2
Vancouver Island University: Viuspace
2
Aarhus University: OJS at The State and University Library
1
AgEcon Search - Research in Agricultural & Applied Economics
1
Aisberg - Archivio istituzionale dell'Università di Bergamo
1
Apollo - University of Cambridge Repository
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Archives ouvertes de Paris-Saclay
1
Balıkesir University Institutional Repository (DSpace@Balıkesir)
1
Brock University Digital Repository
1
Carleton University's Institutional Repository
1
Corvinus University of Budapest: Research Archive
1
DergiPark Akademik (E-Journals)
1
Digital Commons University of South Florida (USF)
1
Dove Medical Press
1
Dryad Digital Repository (Duke University)
1
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
Frontiers (Publisher)
1
HRB National Drugs Library (Health Research Board)
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
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