EBSCO Open Access Journals
2008-01-01 ~ 2024-12-31
DOAJ: Directory of Open Access Journals
2018-01-01 ~ 현재
ScienceDirect
1995-01-01 ~ 2005-12-31
DOAJ: Directory of Open Access Journals
2009-01-01 ~ 현재
De Gruyter Brill Open Journals
2023-12-20 ~ 현재
EBSCO Open Access Journals
1994-01-01 ~ 현재
DOAB Directory of Open Access Books
2021
DOAB Directory of Open Access Books
2018
EBSCO Open Access Journals
2013-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2016-01-01 ~ 현재
ScienceDirect
2015