BioOne Open Access
2004
BioOne Open Access
2003
DOAB Directory of Open Access Books
2012
DOAB Directory of Open Access Books
2011
ScienceDirect
2021-02-23 ~ 현재
DOAJ: Directory of Open Access Journals
2021-01-01 ~ 현재
ScienceDirect Open Access Titles
2021-02-23 ~ 현재
DOAB Directory of Open Access Books
2023
ScienceDirect
1980-03-01 ~ 현재
ScienceDirect Open Access Titles
1980-03-01 ~ 현재 / 원문지연기간(embargo):4 years
ScienceDirect
1948
ScienceDirect
2013
ScienceDirect
2014