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2017-01-01 ~ 현재
DOAB Directory of Open Access Books
2021
DOAJ: Directory of Open Access Journals
2007-01-01 ~ 현재
EBSCO Open Access Journals
2007-01-01 ~ 현재
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2002-01-01 ~ 현재
Wiley Online Library Open Access
2014-01-01 ~ 2017-12-31
ScienceDirect
2025
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2012
DOAB Directory of Open Access Books
2012
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2026
DOAB Directory of Open Access Books
2020