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  1. 1
    Drylands : sustainable use of rangelands into the twenty-first century /
    出版 1998
    Papers presented at a workshop held in Jeddah, 3 to 6 November 1996.
    圖書
  2. 2
    Impact of land degradation in Bangladesh : changing scenario in agricultural land use /
    出版 2001
    圖書
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