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平台:
Brillonline Open Access Journals
(Available from 1853 volume: 1 issue: 1.)
DOAJ Directory of Open Access Journals
(Available from 2013.)
EBSCOhost MLA International Bibliography
(Available from 2014/01/01.)
JSTOR Arts and Sciences IX
(Available from 1949/01/01 volume: 105 issue: 1.)