Content Provider
LeibnizOpen (The Leibniz Association)
21
Directory of Open Access Journals: DOAJ Articles
4
Unknown
3
MDPI Open Access Publishing
2
Norwegian Institute for Nature Research: Brage NINA
2
Queen Maud University College of Early Childhood Education (QMUC)
2
DataCite Metadata Store (German National Library of Science and Technology)
1
Høgskolen i Innlandet: Brage INN
1
PUBLISSO Fachrepositorium Lebenswissenschaften (ZB MED)
1
Zenodo
1