OAPEN (Open Access Publishing in European Networks)
2016
DOAB Directory of Open Access Books
2016
Springer Nature Link eBooks - Fully Open Access
2016
DOAB Directory of Open Access Books
2020
DOAB Directory of Open Access Books
2020
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2023
DOAB Directory of Open Access Books
2023
Cambridge Open Access Books and Elements
2023
OAPEN (Open Access Publishing in European Networks)
2021
DOAB Directory of Open Access Books
2021
Books at JSTOR: Open Access
2021
De Gruyter Brill Open Access eBooks
2021
Project Muse Open Access ebooks
2021
DOAB Directory of Open Access Books
2021
OAPEN (Open Access Publishing in European Networks)
2012
DOAB Directory of Open Access Books
2012
Books at JSTOR: Open Access
2012
Project Muse Open Access ebooks
2023
EBSCO Open Access Journals
2000-01-01 ~ 현재