ScienceDirect
2015
ScienceDirect
2015
DOAB Directory of Open Access Books
2025
DOAJ: Directory of Open Access Journals
2009-01-01 ~ 현재
Wiley Online Library Open Access
2009-01-01 ~ 현재
ScienceDirect
1961-01-01 ~ 현재
ScienceDirect Open Access Titles
1961-01-01 ~ 현재 / 원문지연기간(embargo):4 years
ScienceDirect
2020
DOAB Directory of Open Access Books
2019
DOAB Directory of Open Access Books
2025
DOAB Directory of Open Access Books
2010
DOAB Directory of Open Access Books
2023