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1
State of the world, 2001 a Worldwatch Institute report on progress toward a sustainable society
Publicado em 2001Livro -
2
State of the world, 2000 a Worldwatch Institute report on progress toward a sustainable society
Publicado em 2000Livro -
3
State of the world, 2000 a Worldwatch Institute report on progress toward a sustainable society
Publicado em 2000Livro -
4
State of the world, 2000 a Worldwatch Institute report on progress toward a sustainable society
Publicado em 1990Livro -
5