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1
State of the world, 2003 a Worldwatch Institute report on progress toward a sustainable society
Publicado em 2003Livro -
2
State of the world, 2002 a Worldwatch Institute report on progress toward a sustainable society
Publicado em 2002Livro -
3
State of the world, 2001 a Worldwatch Institute report on progress toward a sustainable society
Publicado em 2001Livro