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2021
OAPEN (Open Access Publishing in European Networks)
2017
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2017
DOAB Directory of Open Access Books
2020
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2022-01-01 ~ 현재
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2011
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2011
ScienceDirect
1971
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2024
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2024
De Gruyter Brill Open Access eBooks
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ScienceDirect
1976
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2026
DOAB Directory of Open Access Books
2026