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  1. 1

    Environmental impacts and some factors affecting firewood extraction the case of Callao Caves National Park upper watershed area, Peñablanca, Cagayan por Pasicolan, Paulo N.

    Publicado em 1989
    Livro

    Environmental impacts and some factors affecting firewood extraction the case of Callao Caves National Park upper watershed area, Peñablanca, Cagayan
  2. 2

    Fuelwood stumpage financing renewable energy for the world's other half por Openshaw, Keith

    Publicado em 1989
    Livro

    Fuelwood stumpage financing renewable energy for the world's other half

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