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平台:
DOAJ Directory of Open Access Journals
(Available from 2006.)
EBSCOhost Academic Search Complete
(Available from 2010/06/01.)
EBSCOhost Academic Search Complete
(Available from 2007/06/01 until 2009/12/31.)
EBSCOhost STM Source
(Available from 2007/06/01 until 2009/12/31.)
EBSCOhost STM Source
(Available from 2010/06/01.)