DOAB Directory of Open Access Books
2022
DOAB Directory of Open Access Books
2015
EBSCO Open Access Journals
2008-01-01 ~ 2017-12-31
Wiley Online Library Open Access
2008-01-01 ~ 2017-12-31
Wiley Online Library Open Access
2014-01-01 ~ 2016-12-31
ScienceDirect
2024
ScienceDirect
2025
DOAB Directory of Open Access Books
2022
EBSCO Open Access Journals
2007-01-01 ~ 2019-12-31
Wiley Online Library Open Access
2007-01-01 ~ 2019-12-31
DOAB Directory of Open Access Books
2018
ScienceDirect
2021-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2021-01-01 ~ 현재
ScienceDirect Open Access Titles
2021-01-01 ~ 현재