MIT Press Direct to Open Backfile Complete Monographs
2004
OAPEN (Open Access Publishing in European Networks)
2014
DOAB Directory of Open Access Books
2014
DOAB Directory of Open Access Books
2020
DOAB Directory of Open Access Books
2024
ScienceDirect
1982
DOAB Directory of Open Access Books
1997
Books at JSTOR: Open Access
1997
Project Muse Open Access ebooks
1997
ScienceDirect
1987
DOAJ: Directory of Open Access Journals
2023-01-01 ~ 현재
EBSCO Open Access Journals
1999-01-01 ~ 2010-12-31
EBSCO Open Access Journals
2005-01-01 ~ 2024-12-31