EBSCO Open Access Journals
2023-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2019-01-01 ~ 현재
PubMed Central (PMC)
2019-01-01 ~ 현재
Wiley Online Library Open Access
2019-01-01 ~ 현재
EBSCO Open Access Journals
2013-01-01 ~ 2024-12-31
EBSCO Open Access Journals
2004-01-01 ~ 2011-12-31
DOAJ: Directory of Open Access Journals
2012-01-01 ~ 현재
EBSCO Open Access Journals
2012-01-01 ~ 2022-12-31
EBSCO Open Access Journals
2009-01-01 ~ 2022-12-31
De Gruyter Brill Open Journals
2009-10-21 ~ 현재
OAPEN (Open Access Publishing in European Networks)
2018
DOAB Directory of Open Access Books
2018
DOAJ: Directory of Open Access Journals
2018-01-01 ~ 현재
DOAB Directory of Open Access Books
2020
OAPEN (Open Access Publishing in European Networks)
2020
Books at JSTOR: Open Access
2020
Project Muse Open Access ebooks
2020