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  1. 1

    Traditional ecological knowledge concepts and cases

    יצא לאור 1993
    ספר

    Traditional ecological knowledge concepts and cases
  2. 2

    Living in the environment a sourcebook for environmental education

    יצא לאור 1985
    ספר

    Living in the environment a sourcebook for environmental education
  3. 3

    The geographic pattern of mankind מאת Pomfret, John Edwin

    יצא לאור 1935
    ספר

    The geographic pattern of mankind

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