1. DeMers, M N, 2004. Fundamentals of Geographic Information Systems (3rd edition), New York: John Wiley 2. Haining, R, Wise, S, and Ma, J, 1998. Exploratory spatial data analysis in a geographic information system environment. The Statistician, 47, pp. 457-469 3. Longley, P., Goodchild, M, Maguire, D.J., and Rhind, D., W., 2015. Geographic Information Science and Systems 4. Haklay M, Singleton A & Parker C (2008) Web mapping 2.0: the Neogeography of the Geoweb. Geography Compass 2: 2011-2039 5. O’Sullivan D & Unwin DJ (2010) Geographic Information Analysis, 2nd edition. Hoboken, NJ: John Wiley & Sons. 6. Schuurman N (2004) “Bringing it all together: using GIS to analyze and model spatial phenomena.” In GIS: A Short Introduction. Malden, MA: Wiley Blackwell.