DOAB Directory of Open Access Books
2015
DOAJ: Directory of Open Access Journals
2014-01-01 ~ 현재
EBSCO Open Access Journals
2005-01-01 ~ 2012-12-31
EBSCO Open Access Journals
2018-01-01 ~ 현재
De Gruyter Brill Open Journals
2022-01-01 ~ 현재
OAPEN (Open Access Publishing in European Networks)
2024
DOAB Directory of Open Access Books
2024
Books at JSTOR: Open Access
2023
Project Muse Open Access ebooks
2024
EBSCO Open Access Journals
1974-01-01 ~ 현재
ScienceDirect
1982
DOAB Directory of Open Access Books
2024
ScienceDirect
2020-01-01 ~ 현재
PubMed Central (PMC)
2020-01-01 ~ 현재
ScienceDirect Open Access Titles
2020-01-01 ~ 현재