DOAB Directory of Open Access Books
2021
DOAB Directory of Open Access Books
2024
EBSCO Open Access Journals
1996-01-01 ~ 현재
DOAB Directory of Open Access Books
2026
Books at JSTOR: Open Access
2026
OAPEN (Open Access Publishing in European Networks)
2026
EBSCO Open Access Journals
2000-01-01 ~ 현재
PubMed Central (PMC)
2011-01-01 ~ 현재 / 원문지연기간(embargo):1 years
EBSCO Open Access Journals
2011-01-01 ~ 2016-12-31
ScienceDirect
2008
DOAB Directory of Open Access Books
2025
OAPEN (Open Access Publishing in European Networks)
2025
ScienceDirect
1999