DOAB Directory of Open Access Books
2016
DOAB Directory of Open Access Books
2021
OAPEN (Open Access Publishing in European Networks)
2016
DOAB Directory of Open Access Books
2021
ScienceDirect
1992
DOAB Directory of Open Access Books
2020
ScienceDirect
2026
ScienceDirect
1970
ScienceDirect
1970
ScienceDirect
1967