EBSCO Open Access Journals
2002-01-01 ~ 2003-12-31
EBSCO Open Access Journals
2007-01-01 ~ 2012-12-31
OAPEN (Open Access Publishing in European Networks)
2020
DOAB Directory of Open Access Books
2020
DOAB Directory of Open Access Books
2004
DOAB Directory of Open Access Books
1992
DOAB Directory of Open Access Books
2000
DOAB Directory of Open Access Books
2009
DOAB Directory of Open Access Books
2021
DOAJ: Directory of Open Access Journals
2015-01-01 ~ 현재
De Gruyter Brill Open Journals
2015-04-15 ~ 현재