EBSCO Open Access Journals
2008-01-01 ~ 2017-12-31
DOAB Directory of Open Access Books
2025
DOAB Directory of Open Access Books
2023
OAPEN (Open Access Publishing in European Networks)
2023
DOAB Directory of Open Access Books
2023
Taylor & Francis eBooks (Open Access)
2023
ScienceDirect
2010
DOAJ: Directory of Open Access Journals
2011-01-01 ~ 현재
EBSCO Open Access Journals
1994-01-01 ~ 2016-12-31
DOAB Directory of Open Access Books
2022
EBSCO Open Access Journals
2015-01-01 ~ 현재
OAPEN (Open Access Publishing in European Networks)
1955
DOAB Directory of Open Access Books
1955
Books at JSTOR: Open Access
1955
Brill Open e-Books
1955