DOAB Directory of Open Access Books
2019
ScienceDirect
1967
ScienceDirect
2025
EBSCO Open Access Journals
1995-01-01 ~ 1999-12-31
J-STAGE Journals (Open Access)
2024-01-01 ~ 현재
EBSCO Open Access Journals
2000-01-01 ~ 2002-12-31
DOAJ: Directory of Open Access Journals
2023-01-01 ~ 현재
Frontiers Journal Series (Open Access)
2023-02-16 ~ 현재
누리미디어 (DBPia)
2025-01-01 ~ 현재
ScienceDirect
1997-01-01 ~ 현재
DOAB Directory of Open Access Books
2010