OAPEN (Open Access Publishing in European Networks)
2020
DOAJ: Directory of Open Access Journals
2021-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2012-01-01 ~ 현재
ScienceDirect
2003-07-01 ~ 현재
DOAB Directory of Open Access Books
2017
DOAB Directory of Open Access Books
2010
DOAJ: Directory of Open Access Journals
2010-01-01 ~ 현재
EBSCO Open Access Journals
1996-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2002-01-01 ~ 현재
EBSCO Open Access Journals
2002-01-01 ~ 2025-12-31
DOAJ: Directory of Open Access Journals
2010-01-01 ~ 현재