PubMed Central (PMC)
2025-01-01 ~ 현재
OAPEN (Open Access Publishing in European Networks)
2017
DOAB Directory of Open Access Books
2017
ScienceDirect
2023
DOAB Directory of Open Access Books
2023
DOAB Directory of Open Access Books
2022
OAPEN (Open Access Publishing in European Networks)
2019
DOAB Directory of Open Access Books
2019
ScienceDirect
1982
ScienceDirect
1964