Content Provider
Doria (National Library of Finland)
26
Unknown
14
Directory of Open Access Journals: DOAJ Articles
11
National Institute for Health and Welfare (THL), Finland: Julkari
7
Natural Resources Institute Finland: Jukuri
3
Biodiversity Heritage Library (BHL)
2
UNESDOC - UNESCO Digital Library
1
VALTO - Institutional Repository for the Government
1