DOAJ: Directory of Open Access Journals
2019-01-01 ~ 현재
EBSCO Open Access Journals
2004-01-01 ~ 현재
DOAB Directory of Open Access Books
2023
DOAB Directory of Open Access Books
2019
International Monetary Fund (IMF) eLibrary
2015-01-01 ~ 2015-12-31
DOAB Directory of Open Access Books
2022
DOAB Directory of Open Access Books
2024
DOAJ: Directory of Open Access Journals
2016-01-01 ~ 현재
OAPEN (Open Access Publishing in European Networks)
2019
DOAB Directory of Open Access Books
2019
DOAJ: Directory of Open Access Journals
2009-01-01 ~ 현재