DOAB Directory of Open Access Books
2020
Books at JSTOR: Open Access
2020
DOAB Directory of Open Access Books
2020
OAPEN (Open Access Publishing in European Networks)
2020
Taylor & Francis eBooks (Open Access)
2020
DOAB Directory of Open Access Books
2018
DOAB Directory of Open Access Books
2023
EBSCO Open Access Journals
1963-03-01 ~ 현재
EBSCO Open Access Journals
2006-01-01 ~ 2010-12-31
ScienceDirect
2022
EBSCO Open Access Journals
2004-01-01 ~ 현재
EBSCO Open Access Journals
2011-01-01 ~ 현재