DOAB Directory of Open Access Books
2021
DOAB Directory of Open Access Books
2004
Books at JSTOR: Open Access
2004
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
DOAB Directory of Open Access Books
2017
OAPEN (Open Access Publishing in European Networks)
2017
Taylor & Francis eBooks (Open Access)
2017
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
Emerald Open Access Books
2025
OAPEN (Open Access Publishing in European Networks)
2023
DOAB Directory of Open Access Books
2023
Springer Nature Link eBooks - Fully Open Access
2023
DOAB Directory of Open Access Books
2022
De Gruyter Brill Open Journals
2018-06-30 ~ 현재