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United Nations Environment Programme ,  Economic and Social Commission for Asia and the Pacific ,  [Problems And Prospects Desertification of Desertification Control in the ESCAP Region] ,  Problems And Prospects Desertification of Desertification Control in the ESCAP Region

United Nations Environment Programme ,  [Public and Leadership Attitudes to the Environment in for Continents : A Report of a Survey in 14 Countries] ,  Public and Leadership Attitudes to the Environment in for Continents : A Report of a Survey in 14 Countries

United Nations Environment Programme ,  [Cleaner Production Worldwide] ,  Cleaner Production Worldwide