EBSCO Open Access Journals
2011-01-01 ~ 2022-12-31
EBSCO Open Access Journals
2015-09-01 ~ 현재
EBSCO Open Access Journals
2014-01-01 ~ 현재
OAPEN (Open Access Publishing in European Networks)
2010
DOAB Directory of Open Access Books
2010
EBSCO Open Access Journals
2012-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2014-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2014-01-01 ~ 현재
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
EBSCO Open Access Journals
2007-01-01 ~ 2015-12-31
OAPEN (Open Access Publishing in European Networks)
1960
DOAB Directory of Open Access Books
1960
Books at JSTOR: Open Access
1960
Brill Open e-Books
1960