DOAB Directory of Open Access Books
2020
OAPEN (Open Access Publishing in European Networks)
2017
OAPEN (Open Access Publishing in European Networks)
2026
DOAB Directory of Open Access Books
2026
Books at JSTOR: Open Access
2026
Project Muse Open Access ebooks
2026
OAPEN (Open Access Publishing in European Networks)
2017
DOAB Directory of Open Access Books
2017
Taylor & Francis eBooks (Open Access)
2015
OAPEN (Open Access Publishing in European Networks)
2022
DOAB Directory of Open Access Books
2022
Books at JSTOR: Open Access
2022
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
DOAB Directory of Open Access Books
2021
DOAJ: Directory of Open Access Journals
2004-01-01 ~ 현재
EBSCO Open Access Journals
2004-01-01 ~ 현재
DOAB Directory of Open Access Books
2002
OAPEN (Open Access Publishing in European Networks)
2002
De Gruyter Brill Open Access eBooks
2002