Content Provider
Directory of Open Access Journals: DOAJ Articles
7
University of Calgary Journal Hosting
6
Canadian Science Publishing (via Crossref)
5
Unknown
5
Arctic Institute of North America
3
DataCite Metadata Store (German National Library of Science and Technology)
3
University of Victoria (Canada): UVicDSpace
2
Carleton University's Institutional Repository
1
Niedersächsisches Online-Archiv NOA
1
SAGE Publications
1
University of Toronto: Research Repository T-Space
1