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平台:
EBSCOhost Business Source Complete
(Available from 2010/01/01 until 2012/01/31.)
EBSCOhost Business Source Complete
(Available from 2007/10/01 until 2009/07/31.)
ProQuest Agricultural & Environmental Science Database
(Available from 2009/01/01 until 2012/01/31.)
ProQuest SciTech Premium Collection
(Available from 2009/01/01 until 2012/01/31.)