OAPEN (Open Access Publishing in European Networks)
2017
DOAB Directory of Open Access Books
2017
Books at JSTOR: Open Access
2017
De Gruyter Brill Open Access eBooks
2016
Project Muse Open Access ebooks
2016
DOAB Directory of Open Access Books
2015
Books at JSTOR: Open Access
2015
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2024
OAPEN (Open Access Publishing in European Networks)
2022
DOAB Directory of Open Access Books
2022
Springer Nature Link eBooks - Fully Open Access
2022
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
Springer Nature Link eBooks - Fully Open Access
2025
OAPEN (Open Access Publishing in European Networks)
2026
DOAB Directory of Open Access Books
2026
Books at JSTOR: Open Access
2026
De Gruyter Brill Open Access eBooks
2026
DOAJ: Directory of Open Access Journals
2011-01-01 ~ 현재
EBSCO Open Access Journals
2003-09-01 ~ 현재
EBSCO Open Access Journals
2009-01-01 ~ 현재