Database
Proquest Ebook Central Academic Complete
388
EBSCOhost Ebook Collection
368
Springer Complete eBooks
263
Books at JSTOR
20
Springer e-books
19
Springer eBooks
16
Academic Video Online
7
MIT Press Direct to Open
4
DOAJ: Directory of Open Access Journals
3
EBSCO Open Access Journals
3
Kanopy
3
Springer - LINK
3
IEEE Electronic Library (IEL)
2
Oxford Scholarship Online
2
ScienceDirect
2
Academic Library
1
Hindawi Open Access Journals
1
Springer Nature Complete Journals
1
Wiley Online Library Database Model 2022
1