Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Du Yaping', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    The use of benefit transfer in the evaluation of water quality improvement an application in China gan Du Yaping

    Cyhoeddwyd 1999
    Llyfr

    The use of benefit transfer in the evaluation of water quality improvement an application in China
  2. 2

    The value of improved water quality for recreation in East Lake, Wuhan, China application of contingent valuation and travel cost methods gan Du Yaping

    Cyhoeddwyd 1998
    Llyfr

    The value of improved water quality for recreation in East Lake, Wuhan, China application of contingent valuation and travel cost methods

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