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Verslagboek van de studiedag 'Duurzame ontwikkeling', 24 februari 1995 By Vallaeys, Jan, Dumont, Henri, Paredis, Erik
Date 1995
brochure
6
Background paper for the Workshop on the Testing of Indicators for Sustainable Development (Gent, Belgium, 20-22 november 1996) ...

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By Paredis, Erik
Date 1996
brochure
7
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