ScienceDirect
2013
ScienceDirect
2019
OAPEN (Open Access Publishing in European Networks)
2023
DOAB Directory of Open Access Books
2023
Books at JSTOR: Open Access
2023
Project Muse Open Access ebooks
2023
DOAJ: Directory of Open Access Journals
2008-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2006-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2012-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2016-01-01 ~ 현재
한국학술정보 (KISS)
1999-01-01 ~ 1999-12-31
DOAB Directory of Open Access Books
2020
EBSCO Open Access Journals
2012-01-01 ~ 2013-12-31