DOAB Directory of Open Access Books
2019
DOAB Directory of Open Access Books
2026
EBSCO Open Access Journals
2007-01-01 ~ 2017-12-31
ScienceDirect
2023
ScienceDirect
2023
MIT Press Direct to Open Backfile Complete Monographs
2021
EBSCO Open Access Journals
2011-01-01 ~ 2018-12-31
DOAJ: Directory of Open Access Journals
2016-01-01 ~ 현재
DOAB Directory of Open Access Books
1999
OAPEN (Open Access Publishing in European Networks)
2023
DOAB Directory of Open Access Books
2023