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獲取地下水

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===Acknowledgements感謝===* [https://ccafs.cgiar.org/publications/management-groundwater-africa-including-transboundary-aquifers-implications-food#.ViVlZxCrTyI Management of Ground Water in Africa Including Transboundary Aquifers: Implications for Food Security, Livelihood and Climate Change Adaptation.非洲地下水管理,含跨界含水層:對於飲食安全、營生及適應氣候改變的可能影響。] United Nations Economic Commission for Africa, African Climate Policy Centre, 2011.聯合國非洲經濟委員會,非洲氣候政策中心,2011。
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