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27 janv. 1990 - Se crea el Instituto Internacional para el Desarrollo Sostenible (IISD) en Canadá
Ajouté au bande de temps:
Historia de la Sostenibilidad
By
Andrés Calva
6 oct. 2017
0
0
622
Date:
27 janv. 1990
Maintenaint
~ Il y a 35 ans
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