DOAB Directory of Open Access Books
2022
DOAB Directory of Open Access Books
2023
DOAB Directory of Open Access Books
2025
DOAB Directory of Open Access Books
2023
DOAB Directory of Open Access Books
2025
ScienceDirect
2022-03-01 ~ 현재
DOAJ: Directory of Open Access Journals
2022-01-01 ~ 현재
ScienceDirect Open Access Titles
2022-03-01 ~ 현재
DOAJ: Directory of Open Access Journals
2022-01-01 ~ 현재
Wiley Online Library Open Access
2022-01-01 ~ 현재
ScienceDirect
2023
DOAB Directory of Open Access Books
2021
ScienceDirect
2025