Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio '', amser ymholiad: 0.03e Mireinio'r Canlyniadau
  1. 1
    Cyhoeddwyd 1994
    "The papers in this volume originated from the Workshop on the Economics of Protected Areas at the IUNC-World Conservation Union Fourth World Congress on National Parks and Protected Areas, held in Caracas, Venezuela, during February 10-21, 1992"--P. vii.
    Trafodyn Cynhadledd Llyfr
  2. 2
    gan Noor Islam, Shafi M.
    Cyhoeddwyd 2003
    Originally presented as the author's thesis (M.A.--Bramdenburg Technical University Cottbus, Germany).
    Llyfr
  3. 3
    Cyhoeddwyd 1994
    "Published in association with the Royal Geographical Society."
    Llyfr