ScienceDirect
2022
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
Taylor & Francis eBooks (Open Access)
2025
ScienceDirect
2011
DOAB Directory of Open Access Books
1999
OAPEN (Open Access Publishing in European Networks)
2013
DOAB Directory of Open Access Books
2013
Books at JSTOR: Open Access
2013
DOAB Directory of Open Access Books
2022
OAPEN (Open Access Publishing in European Networks)
2006
DOAB Directory of Open Access Books
2006
EBSCO Open Access Journals
2014-01-01 ~ 현재
EBSCO Open Access Journals
2017-01-01 ~ 현재
한국학술정보 (KISS)
2008-01-01 ~ 2008-12-31