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United Nations Environment Programme ,  [Success Stories in he Struggle Against Desertification: A Holistic Integrated Conservation and Sustainable Livelihood. Volume 1 - Case Studies: Evaluation Reports. Volume 2 - Case Studies: Report Summaries] ,  Success Stories in he Struggle Against Desertification: A Holistic Integrated Conservation and Sustainable Livelihood. Volume 1 - Case Studies: Evaluation Reports. Volume 2 - Case Studies: Report Summaries

United Nations Environment Programme ,  [Conservation and Wise Utilization of Tropical Forests : A Directory of Information Sources] ,  Conservation and Wise Utilization of Tropical Forests : A Directory of Information Sources

United Nations Environment Programme ,  [Economic Values and the Environment in the Developing World - Environmental Economics Series No 14] ,  Economic Values and the Environment in the Developing World - Environmental Economics Series No 14

United Nations Environment Programme ,  International Sustainability Unit ,  International Coral Reef Initiative ,  [The Coral Reef Economy: The Business Case for Investment in the Protection, Preservation and Enhancement of Coral Reef Health] ,  The Coral Reef Economy: The Business Case for Investment in the Protection, Preservation and Enhancement of Coral Reef Health