Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio 'Perera, W.R.H', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1
    The winds of the forests-memoirs of a nature lover

    The winds of the forests-memoirs of a nature lover gan Perera, W.R.H

    Cyhoeddwyd 1997
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  2. 2
    Biofuel systems, plantations-energy farms and their environmental implications

    Biofuel systems, plantations-energy farms and their environmental implications gan Perera, W.R.H

    Cyhoeddwyd 1979
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  3. 3
    Assessing tropical forest lands: their suitability for sustainable uses : a report of the Conference on Forest Land Assessment and Management for Sustainable Uses, June 19-28, 1979, Honolulu, Hawaii

    Assessing tropical forest lands: their suitability for sustainable uses : a report of the Conference on Forest Land Assessment and Management for Sustainable Uses, June 19-28, 1979...

    Cyhoeddwyd 1980
    Awduron Eraill:
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:

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