DOAJ: Directory of Open Access Journals
2018-01-01 ~ 현재
ScienceDirect
2026
ScienceDirect
2022
DOAB Directory of Open Access Books
2023
DOAJ: Directory of Open Access Journals
2012-01-01 ~ 현재
ScienceDirect
2021
ScienceDirect
2003
DOAB Directory of Open Access Books
2025
OAPEN (Open Access Publishing in European Networks)
2020
DOAB Directory of Open Access Books
2020