De Gruyter Brill Open Access eBooks
2025
Project Muse Open Access ebooks
2025
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
Books at JSTOR: Open Access
2025
MIT Press Direct to Open Backfile Complete Monographs
2006
OAPEN (Open Access Publishing in European Networks)
2021
DOAB Directory of Open Access Books
2021
DOAB Directory of Open Access Books
2025
ScienceDirect
1981
ScienceDirect
1984
ScienceDirect
1985
DOAJ: Directory of Open Access Journals
2015-01-01 ~ 현재
OAPEN (Open Access Publishing in European Networks)
2014