DOAB Directory of Open Access Books
2018
EBSCO Open Access Journals
1987-01-01 ~ 현재
MIT Press Direct to Open Backfile Complete Monographs
2002
MIT Press Direct to Open Backfile Complete Monographs
2007
ScienceDirect
2001
OAPEN (Open Access Publishing in European Networks)
2020
DOAB Directory of Open Access Books
2020
DOAB Directory of Open Access Books
2023
ScienceDirect
1991-01-01 ~ 1996-12-31
DOAB Directory of Open Access Books
2017