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State of the world, 2003 a Worldwatch Institute report on progress toward a sustainable society
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State of the world, 2002 a Worldwatch Institute report on progress toward a sustainable society
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State of the world, 2001 a Worldwatch Institute report on progress toward a sustainable society
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State of the world, 1999 a Worldwatch Institute report on progress toward a sustainable society
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State of the world, 1998 a Worldwatch Institute report on progress toward a sustainable society
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State of the world, 1993 Worldwatch Institute report on progress toward a sustainable society
Được phát hành 1993Sách