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  1. 81
    Published 1993
    Book

    Environmental education and teacher education in Asia and the Pacific final report of a Regional seminar, 20 October - 5 November 1993.
  2. 82
    Published 1993
    Book

    Modelling change in environmental systems
  3. 83
    by Roa, Michael L., 1946-
    Published 1993
    Book

    Environmental science activities kit
  4. 84
    Published 1993
    Book

    Environmental education a pathway to sustainability
  5. 85
    by Kupchella, Charles E.
    Published 1993
    Book

    Environmental science living with in the system of nature.
  6. 86
    by Beazley, Mitchell
    Published 1993
    Book

    Caring for the earth a strategy for survival.
  7. 87
    by Gough, Annette Greenwall
    Published 1993
    Book

    Founders in environmental education
  8. 88
    by Gore, Albert 1948-
    Published 1993
    Book

    Earth in the balance ecology and a human spirit
  9. 89
    Published 1993
    Book

    Environmental education in the Commonwealth
  10. 90
    by Boyden, S.
    Published 1992
    Book

    Biohistory the interplay between human society and the biosphere : past and present
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