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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 od Pasicolan, Paulo N.

    Izdano 1989
    Knjiga

    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 od Openshaw, Keith

    Izdano 1989
    Knjiga

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

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