DOAJ: Directory of Open Access Journals
2022-01-01 ~ 현재
De Gruyter Brill Open Journals
2001-08-01 ~ 현재
ScienceDirect
2025
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2019
EBSCO Open Access Journals
2012-01-01 ~ 2015-12-31
DOAB Directory of Open Access Books
2022
ScienceDirect
2011
DOAB Directory of Open Access Books
2025
DOAJ: Directory of Open Access Journals
2023-01-01 ~ 현재
EBSCO Open Access Journals
2023-01-01 ~ 현재
Frontiers Journal Series (Open Access)
2023-07-11 ~ 현재