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平台:
EBSCOhost OmniFile Full Text Select
(Available from 2000/01/17 until 2001/12/10.)
EBSCOhost Professional Development Collection
(Available from 1999/09/06.)
EBSCOhost Science Reference Center
(Available from 1992/01/24.)
ProQuest Agricultural & Environmental Science Database
(Available from 1998/01/12 until 2015/05/04.)
ProQuest Biological Science Database
(Available from 1998/01/12 until 2015/05/04.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 1998/01/12 until 2015/05/04.)