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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 מאת Pasicolan, Paulo N.

    יצא לאור 1989
    ספר

    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 מאת Openshaw, Keith

    יצא לאור 1989
    ספר

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

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