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National Survey Authority
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National Center for Statistical Information (NCSI)
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ESRI (Environmental Systems Research Institute)
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GCC-Statistical Center
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Food and Agriculture Organization (FAO)
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ITC
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United Nation (US), Statistic Division
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U.S. Geological Survey
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Google Earth
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Google Map
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American Association of Geographers (AAG)
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International Geographical Union
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UN-Habitat - United Nations Human Settlements Programme
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The International Society of City and Regional Planners (ISOCARP)
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United Nations Environment Programme
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The Intergovernmental Panel on Climate Change (IPCC)
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World Bank Open Data
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Royal Geographical Society
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IHS, Institute for Housing and Urban Development Studies
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UN Department of Economic and Social Affairs
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