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平台:
DOAJ Directory of Open Access Journals
(Available from 2017.)
EBSCOhost MLA International Bibliography
(Available from 2010/07/01.)
JSTOR Arts and Sciences V
(Available from 2017/01/01 volume: 44 issue: 87. Available from 1972/10/01 volume: 1 issue: 1 until 2016/07/31 volume: 43 issue: 86.)