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Ren,Chongfeng. Spatial and Temporal Analyses of Water Resources Use Efficiency Based on Data Envelope Analysis and Malmquist Index: Case Study in Gansu Province, China.

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Ren,Chongfeng. Spatial and Temporal Analyses of Water Resources Use Efficiency Based On Data Envelope Analysis And Malmquist Index: Case Study in Gansu Province, China.

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Ren,Chongfeng. Spatial and Temporal Analyses of Water Resources Use Efficiency Based On Data Envelope Analysis And Malmquist Index: Case Study in Gansu Province, China.

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