누리미디어 (DBPia)
1998-01-01 ~ 현재
DOAB Directory of Open Access Books
2020
DOAB Directory of Open Access Books
2024
한국학술정보 (KISS)
2000-01-01 ~ 2000-12-31
한국학술정보 (KISS)
1997-01-01 ~ 1997-12-31
De Gruyter Brill Open Access eBooks
2023
DOAB Directory of Open Access Books
2022
De Gruyter Brill Open Access eBooks
2023
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
Springer Nature Link eBooks - Fully Open Access
2025
De Gruyter Brill Open Access eBooks
2023