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Forecasts
Twenty-first century
32
Twentieth century
14
Forecasting
9
Economic forecasting
5
Economic conditions
3
Social prediction
3
Technology
3
Civilization
2
Civilization, Modern
2
History
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Social conditions
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Architectural design
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Congresses
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Effect of human beings on
1
Energy conservation
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16Anais de Congresso LivroPublicado em 1978
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