Content Provider
Directory of Open Access Journals: DOAJ Articles
58
DataCite Metadata Store (German National Library of Science and Technology)
4
Aarhus University: Research
1
Digital Library of University of Wroclaw
1
Ghent University Academic Bibliography
1
Johns Hopkins University, Baltimore: JScholarship
1
KU Leuven: Lirias
1
Lund University Publications (LUP)
1
Magnolia press
1
The University of Western Ontario: Scholarship@Western
1
Yerevan State University Journal System
1