EBSCO Open Access Journals
2003-01-01 ~ 현재
EBSCO Open Access Journals
2008-01-01 ~ 2023-12-31
DOAB Directory of Open Access Books
2024
OAPEN (Open Access Publishing in European Networks)
2019
DOAB Directory of Open Access Books
2019
Brill Open e-Books
2020
DOAJ: Directory of Open Access Journals
2013-01-01 ~ 현재
EBSCO Open Access Journals
2002-01-01 ~ 현재
DOAB Directory of Open Access Books
2022
ScienceDirect
2025
EBSCO Open Access Journals
1994-01-01 ~ 2015-12-31
EBSCO Open Access Journals
1998-01-01 ~ 현재