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平台:
EBSCOhost Academic Search Complete
(Available from 2005/01/01 until 2012/02/29.)
EBSCOhost Business Source Complete
(Available from 2005/01/01 until 2012/02/29.)
EBSCOhost OmniFile Full Text Select
(Available from 2005/01/01 until 2012/02/29.)
EBSCOhost Professional Development Collection
(Available from 2005/01/01 until 2012/02/29.)
EBSCOhost STM Source
(Available from 2005/01/01 until 2012/02/29.)
ProQuest SciTech Premium Collection
(Available from 1988/09/01 volume: 1 issue: 3 until 2011/12/31 volume: 24 issue: 10.)