Showing 1 - 2 results of 2 for search 'Cummings, Ronald G.', query time: 0.01s Refine Results
  1. 1

    Valuing environmental goods an assessment of the contingent valuation method by Cummings, Ronald G.

    Published 1986
    Book

    Valuing environmental goods an assessment of the contingent valuation method
  2. 2

    Water resource management in northern Mexico by Cummings, Ronald G.

    Published 1972
    Book

    Water resource management in northern Mexico

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