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  1. 1

    To live on earth man and his environment in perspective. حسب Brubaker, Sterling

    منشور في 1972
    كتاب

    To live on earth man and his environment in perspective.
  2. 2

    The water resources of Chile an economic method for analyzing a key resource in a nation's development حسب Wollman, Nathaniel

    منشور في 1968
    كتاب

    The water resources of Chile an economic method for analyzing a key resource in a nation's development

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