DOAB Directory of Open Access Books
2018
Books at JSTOR: Open Access
2018
Project Muse Open Access ebooks
2018
OAPEN (Open Access Publishing in European Networks)
2018
ScienceDirect
2023
EBSCO Open Access Journals
2008-01-01 ~ 현재
EBSCO Open Access Journals
1999-01-01 ~ 현재
EBSCO Open Access Journals
1999-01-01 ~ 2015-12-31 , 2017-01-01 ~ 2017-12-31 , 2019-01-01 ~ 2019-12-31 , 2021-01-01 ~ 2021-12-31
EBSCO Open Access Journals
2010-01-01 ~ 2024-12-31
OAPEN (Open Access Publishing in European Networks)
2019
DOAB Directory of Open Access Books
2019