OAPEN (Open Access Publishing in European Networks)
2019
DOAB Directory of Open Access Books
2019
ScienceDirect
2011
ScienceDirect
2006
OAPEN (Open Access Publishing in European Networks)
2019
DOAB Directory of Open Access Books
2019
OAPEN (Open Access Publishing in European Networks)
2016
DOAB Directory of Open Access Books
2016
ScienceDirect
1967
DOAB Directory of Open Access Books
2013
DOAB Directory of Open Access Books
1992
스콜라 (Scholar)
2011-01-01 ~ 현재
스콜라 (Scholar)
2001-01-01 ~ 현재