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平台:
EBSCOhost Academic Search Complete
(Available from 2011/01/01. Most recent 1 year(s) not available.)
JSTOR Sustainability
ProQuest Agricultural & Environmental Science Database
(Available from 2006/01/01. Most recent 1 year(s) not available.)
ProQuest Biological Science Database
(Available from 2006/01/01. Most recent 1 year(s) not available.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 2006/01/01. Most recent 1 year(s) not available.)
ProQuest SciTech Premium Collection
(Available from 2006/01/01. Most recent 1 year(s) not available.)