Database
Proquest Ebook Central Academic Complete
77
EBSCOhost Ebook Collection
57
Springer Complete eBooks
19
Oxford Scholarship Online
5
Environment Complete
4
Academic Video Online
3
DOAJ: Directory of Open Access Journals
3
Springer e-books
3
Books at JSTOR
2
EBSCO Open Access Journals
2
BioOne Complete
1
PubMed Central (PMC) Open Access
1
Revista de Administracion Publica
1
ScienceDirect
1
ScienceDirect Open Access Titles
1
Wiley Online Library Database Model
1