1. United Nations. 2008. UN E-government survey 2008. from E-government to connected governance. New York: United Nations.
2. Feinberg, J. 2008. Psychological egoism. In J. Feinberg, & R. Shafer-Landau (Eds.), Reason and responsibility: Readings in some basic problems of philosophy. California: Thomson Wadsworth, 520–532.
3. Olson, M. 1965 The logic of collective action; public goods and the theory of groups. Cambridge, Mass.: Harvard University Press.
4. Merill, S. and Grofman, B. 1999. A unified theory of voting: Directional and proximity spatial models. Cambridge: Cambridge University Press.
5. Simon, H. 1955. A behavioral model of rational choice. Quarterly Journal of Economics, 69, 99–118.