Database
Proquest Ebook Central Academic Complete
39
EBSCOhost Ebook Collection
34
Springer Complete eBooks
19
EBSCO Open Access Journals
6
Academic Search Premier
5
Academic Video Online
5
ScienceDirect
5
Books at JSTOR
3
DOAJ: Directory of Open Access Journals
3
Oxford Scholarship Online
3
PubMed Central (PMC) Open Access
3
Springer Nature Complete Journals
3
Springer e-books
3
ScienceDirect Open Access Titles
2
Springer eBooks
2
Hindawi Open Access Journals
1
Springer Complete Nature.com
1
SpringerLink Journals Fully Open Access
1
Wiley Online Library Database Model
1
Wiley-Blackwell Backfiles (PALCI)
1