Content Provider
Directory of Open Access Journals: DOAJ Articles
24
Springer Nature (via Crossref)
8
eCite UTAS (University of Tasmania)
8
Frontiers (Publisher)
7
DataCite Metadata Store (German National Library of Science and Technology)
5
Oxford University Press
5
ScienceDirect (Elsevier - via Crossref)
5
Wiley Online Library
5
University of California: eScholarship
4
Oxford University Press (via Crossref)
2
The University of Waikato: Research Commons
2
Wiley Online Library (via Crossref)
2
Imperial College London: Spiral
1
Lund University Publications (LUP)
1
Universidad de Chile: Repositorio académico
1
University of Technology Sydney: OPUS - Open Publications of UTS Scholars
1
University of the Highlands and Islands: Research Database of UHI
1