DOAB Directory of Open Access Books
2025
DOAB Directory of Open Access Books
2025
DOAB Directory of Open Access Books
2026
DOAB Directory of Open Access Books
2020
ScienceDirect
1963
EBSCO Open Access Journals
2012-01-01 ~ 현재
DOAB Directory of Open Access Books
2024
EBSCO Open Access Journals
2008-01-01 ~ 현재
De Gruyter Brill Open Journals
2008-09-23 ~ 현재
EBSCO Open Access Journals
2001-01-01 ~ 2007-12-31
DOAJ: Directory of Open Access Journals
2007-01-01 ~ 현재
Wiley Online Library Open Access
2007-01-01 ~ 현재