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United Nations Environment Programme ,  [Hydropolitical Vulnerability and Resilience along International Waters: Asia] ,  Hydropolitical Vulnerability and Resilience along International Waters: Asia

United Nations Environment Programme ,  [A survey of methods for analysing groundwater Recharge in arid and semi-arid region] ,  A survey of methods for analysing groundwater Recharge in arid and semi-arid region

United Nations Environment Programme ,  United Nations Educational Scientific and Cultural Organization ,  [Evaluation of urban pollution of surficial and groundwater aquifers in Africa] ,  Evaluation of urban pollution of surficial and groundwater aquifers in Africa

United Nations Environment Programme, Global Environment Centre Foundation (GEC) ,  [Water and wastewater reuse: an environmentally sound approach for sustainable urban water management] ,  Water and wastewater reuse: an environmentally sound approach for sustainable urban water management

United Nations Environment Programme ,  United Nations Educational Scientific and Cultural Organization ,  [Survey methods: groundwater, recharge in arid and semi-arid regions] ,  Survey methods: groundwater, recharge in arid and semi-arid regions

United Nations Environment Programme ,  British Geological Survey (BGS) ,  Belgian Development Cooperation (DGDC) ,  Department for International Development (DFID) ,  [Groundwater and its susceptibility to degradation: a global assessment of the problem and options for management] ,  Groundwater and its susceptibility to degradation: a global assessment of the problem and options for management

United Nations Environment Programme ,  [Gems-water operational guide] ,  Gems-water operational guide

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

United Nations Environment Programme ,  Oregon State University (OSU) ,  Universidad Nacional Costa Rica; ,  [Hydropolitical Vulnerability and Resilience along International Waters] ,  Hydropolitical Vulnerability and Resilience along International Waters