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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 door Pasicolan, Paulo N.

    Gepubliceerd in 1989
    Boek

    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 door Openshaw, Keith

    Gepubliceerd in 1989
    Boek

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

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