Dangos 1 - 5 canlyniadau o 5 ar gyfer chwilio '' Mireinio'r Canlyniadau
  1. 1
    Cyhoeddwyd 1993
    Dogfen y Llywodraeth Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
    Forest ecosystem management : an ecological, economic, and social assessment : report of the Forest Ecosystem Management Assessment Team /
  2. 2
    Cyhoeddwyd 2004
    Table of contents
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
    Forest futures : science, politics, and policy for the next century /
  3. 3
    gan Raphael, Ray
    Cyhoeddwyd 1994
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
    More tree talk : the people, politics, and economics of timber /
  4. 4
    Cyhoeddwyd 1990
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
    Three-state impact of spotted owl conservation and other timber harvest reductions : a cooperative evaluation of the economic and social impacts : based on independent studies at University of Washington, University of California, Oregon State University.
  5. 5
    gan Hyde, William F.
    Cyhoeddwyd 1980
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
    Timber supply, land allocation, and economic efficiency /

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