Content Provider
Directory of Open Access Journals: DOAJ Articles
2
Frontiers: Figshare
2
SSOAR - Social Science Open Access Repository
2
Digital Library of University of Maribor
1
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
1
MDPI Open Access Publishing
1
Repository of the University of Ljubljana (RUL)
1
UmeƄ University: Publications (DiVA)
1
University College London: UCL Discovery
1