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  1. 1
    The effectiveness of land degradation policies and programs : report of the House of Representatives Standing Committee on Environment, Recreation and the Arts.
    Libro
    Publicado 1989
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  2. 2
    Land degradation & development.
    Revista
    Publicado 1996
    Full text (Wiley Online Library)
    Ligazón do recurso
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  3. 3
    Desertification and land degradation in the European Mediterranean /
    Libro
    por Perez-Trejo, F. (Francisco)
    Publicado 1994
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  4. 4
    Sustaining the agricultural resource base : a paper prepared by an independent working group for consideration by the Prime Minister's Science and Engineering Council at its twelfth meeting, 23 June 1995.
    Libro
    Publicado 1995
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