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25 Jan 1987 Jahr - La Comisión Mundial de Medio Ambiente y Desarrollo publica el Reporte Brutland, donde se enfatiza el concepto de sustentabilidad
Zugefügt zum Band der Zeit:
Historia de la Sostenibilidad
By
Andrés Calva
6 Okt 2017
0
0
621
Datum:
25 Jan 1987 Jahr
Jetzt
~ 38 years ago
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