ScienceDirect
2001-01-01 ~ 현재
DOAB Directory of Open Access Books
2013
EBSCO Open Access Journals
2018-01-01 ~ 현재
EBSCO Open Access Journals
1997-01-01 ~ 2005-12-31
OAPEN (Open Access Publishing in European Networks)
2020
DOAB Directory of Open Access Books
2020
DOAJ: Directory of Open Access Journals
2016-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2016-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2016-01-01 ~ 현재
Books at JSTOR: Open Access
2021
OAPEN (Open Access Publishing in European Networks)
2022
DOAB Directory of Open Access Books
2022