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平台:
EBSCOhost Academic Search Complete
(Available from 2010/09/01 until 2014/03/31.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 2004/06/01 until 2014/06/30.)
ProQuest Political Science Database
(Available from 2004/06/01 until 2014/06/30.)
ProQuest SciTech Premium Collection
(Available from 2004/06/01 until 2014/06/30.)