EBSCO Open Access Journals
2016-01-01 ~ 현재
DOAB Directory of Open Access Books
2014
ScienceDirect
2019-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2019-01-01 ~ 현재
ScienceDirect Open Access Titles
2019-01-01 ~ 현재
Wiley Online Library Open Access
2014-01-01 ~ 2014-12-31
ScienceDirect
2026
DOAB Directory of Open Access Books
2013
ScienceDirect
2019
DOAJ: Directory of Open Access Journals
2022-01-01 ~ 현재
ScienceDirect
1971
ScienceDirect
2026