한국학술정보 (KISS)
1990-01-01 ~ 1990-12-31
OAPEN (Open Access Publishing in European Networks)
2013
DOAB Directory of Open Access Books
2013
EBSCO Open Access Journals
2002-01-01 ~ 현재
DOAB Directory of Open Access Books
2023
ScienceDirect
1997
DOAB Directory of Open Access Books
2021
ScienceDirect
1989
DOAJ: Directory of Open Access Journals
2022-01-01 ~ 현재
ScienceDirect
2023
DOAB Directory of Open Access Books
2020