3 results Refine Results
  1. 1
    Published 1992
    “...United Nations,...”
    Conference Proceeding Book
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    Agenda 21 ; Rio declaration ; Forest principles.
  2. 2
    Published 1993
    “...United Nations,...”
    Book
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    Environmental management in transnational corporations : report on the Benchmark Corporate Environmental Survey /
  3. 3
    Published 1992
    “...World Tourism Organization ; United Nations Environment Programme, Terrestrial Ecosystems Branch, Industry and Environment Programme Activity Centre,...”
    Book
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    Guidelines : development of national parks and protected areas for tourism /

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