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United Nations Environment Programme ,  [Building the Foundations for Sustainable Nutrient Management. A publication of the Global Partnership on Nutrient Management] ,  Building the Foundations for Sustainable Nutrient Management. A publication of the Global Partnership on Nutrient Management

United Nations Environment Programme ,  United Nations Educational Scientific and Cultural Organization ,  World Health Organization (WHO) ,  [Water quality assessments: a guide to the use of biota, sediments and water in ecosystems] ,  Water quality assessments: a guide to the use of biota, sediments and water in ecosystems