DOAB Directory of Open Access Books
2019
MIT Press Direct to Open Backfile Complete Monographs
1999
DOAB Directory of Open Access Books
2022
ScienceDirect
1984
OAPEN (Open Access Publishing in European Networks)
2022
DOAB Directory of Open Access Books
2022
Taylor & Francis eBooks (Open Access)
2022
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2023
ScienceDirect
2020
ScienceDirect
1997
DOAB Directory of Open Access Books
2010