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  1. 1
    by Elliott, David 1943-
    Published 1997
    Book

    Energy, society, and environment technology for a sustainable future
  2. 2
    Published 1997
    Book

    Philippine agenda 21 a national agenda for sustainable development.
  3. 3
    by Pearson, David 1940-
    Published 1994
    Book

    Earth to spirit
  4. 4
    by Marsh, William M.
    Published 1978
    Book

    Environmental analysis for land use and site planning
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