DOAJ: Directory of Open Access Journals
2024-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2024-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2024-01-01 ~ 현재
ScienceDirect
2005
DOAJ: Directory of Open Access Journals
2022-01-01 ~ 현재
EBSCO Open Access Journals
2021-01-01 ~ 현재
DOAJ: Directory of Open Access Journals
2018-01-01 ~ 현재
DOAB Directory of Open Access Books
2019
Books at JSTOR: Open Access
2019
OAPEN (Open Access Publishing in European Networks)
2017
DOAB Directory of Open Access Books
2017
Books at JSTOR: Open Access
2017
Project Muse Open Access ebooks
2017
DOAB Directory of Open Access Books
2025
EBSCO Open Access Journals
2002-01-01 ~ 현재