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United Nations Environment Programme ,  [Third International Workshop on Regional Approaches to Reservoir Development and Management in the La Plata River Basin - Proceedings] ,  Third International Workshop on Regional Approaches to Reservoir Development and Management in the La Plata River Basin - Proceedings

United Nations Environment Programme ,  United Nations Centre for Human Settlements (UNCHS - Habitat) ,  [Building an Environmental Management Information System (EMIS): Handbook with Toolkit] ,  Building an Environmental Management Information System (EMIS): Handbook with Toolkit

United Nations Environment Programme ,  United Nations Educational, Scientific and Cultural Organization ,  [Regional Workshop on Water Resources Assessment and Integrated Management : Water Supply and Pollution Control] ,  Regional Workshop on Water Resources Assessment and Integrated Management : Water Supply and Pollution Control