Content Provider
Directory of Open Access Journals: DOAJ Articles
76
ScienceDirect (Elsevier - via Crossref)
6
University of California Press (via Crossref)
5
University of California Press
3
Informa
2
University College London: UCL Discovery
2
Cambridge University Press
1
Columbia University: Academic Commons
1
IOP Publishing (via Crossref)
1
Loughborough University: Figshare
1
ScienceDirect (Elsevier)
1
Stockholm University: Publications (DiVA)
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Wiley Online Library
1