Content Provider
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
328
Directory of Open Access Journals: DOAJ Articles
323
Informa (via Crossref)
187
North Dakota State University (NDSU): Digital Horizons
140
DataCite Metadata Store (German National Library of Science and Technology)
126
Springer Nature (via Crossref)
83
Borealis
70
SAGE Publications (via Crossref)
60
Wiley Online Library (via Crossref)
58
Fanshawe College: FIRST (Fanshawe Innovation Research Scholarship Teaching)
53
University of California Press (via Crossref)
51
Unknown
42
Informa
41
Opin vísindi (Iceland)
39
SAGE Publications
37
The University of Western Ontario: Scholarship@Western
35
Hirsla - Landspítali University Hospital research archive
33
University of Calgary Journal Hosting
33
Athabasca University Digitization Portal
23
Cambridge University Press
21
ScienceDirect (Elsevier - via Crossref)
20
uO Research (University of Ottawa - uOttawa)
18
University of Alaska: ScholarWorks@UA
17
University of Toronto Press (U Toronto Press - via Crossref)
16
ScienceDirect (Elsevier)
15
ACS Publications (via Crossref)
14
Queen's University, Ontario: QSpace
14
Digital Commons @ CSUMB (California State University, Monterey Bay)
12
DIAL@USL-B (Université Saint-Louis, Bruxelles)
11
De Gruyter (via Crossref)
11
Pillars at Taylor University
11
University of Wollongong, Australia: Research Online
11
Wiley Online Library
11
pedocs document server (German Education Portal/DIPF)
11
Frontiers (Publisher)
10
Frontiers: Figshare
10
Marmara Üniversitesi: Açık Arşiv Hizmete Girdi
10
OhioLINK: Electronic Theses and Dissertations Center
10
Theses Canada/Thèses Canada (Library and Archives Canada)
10
University of California: eScholarship
10
University of Chicago Press (via Crossref)
10
University of Michigan: Digital Collections
10
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
9
Georgia Southern University: Digital Commons@Georgia Southern
9
PRISM - University of Calgary Digital Repository
9
University of North Texas: UNT Digital Library
9
Zenodo
9
eCite UTAS (University of Tasmania)
9
Edith Cowan University (ECU, Australia): Research Online
8
Johns Hopkins University Press
8
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