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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 द्वारा Pasicolan, Paulo N.

    प्रकाशित 1989
    पुस्तक

    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 द्वारा Openshaw, Keith

    प्रकाशित 1989
    पुस्तक

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

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