DOAB Directory of Open Access Books
2010
ScienceDirect
2022
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2024
DOAB Directory of Open Access Books
2026
ScienceDirect
2016
ScienceDirect
2011
ScienceDirect
2014
OAPEN (Open Access Publishing in European Networks)
2022
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2022
OAPEN (Open Access Publishing in European Networks)
2024
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2024
ScienceDirect
2006