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2. Food and Agriculture Organization of the United Nations (FAO) FAO-AQUASTAT database http://www.fao.org/nr/water/aquasat/main/index.stm
3. Food and Agriculture Organization of the United Nations (FAO) FAOSTAT. FAO online database http://faostat.fao.org
4. Immerzeel WW Lutz AF Droogers P 2012 Climate Change Impacts on the Upstream Water Resources of the Amu and Syr Darya River Basins Wageningen, the Netherlands
5. Khanal PR Guido S Merry DJ 2014 Water and the Rural Poor. Interventions for Improving Livelihoods in Asia Bangkok, Thailand