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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 av Pasicolan, Paulo N.

    Publicerad 1989
    Bok

    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 av Openshaw, Keith

    Publicerad 1989
    Bok

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

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