OAPEN (Open Access Publishing in European Networks)
2025
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
ScienceDirect
2022
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2023
De Gruyter Brill Open Access eBooks
2023
DOAB Directory of Open Access Books
2022
OAPEN (Open Access Publishing in European Networks)
2023
DOAB Directory of Open Access Books
2023
Springer Nature Link eBooks - Fully Open Access
2023
DOAB Directory of Open Access Books
2023
한국학술정보 (KISS)
1990-01-01 ~ 1990-12-31