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4Ostrom,Elinor (1990) "Governing the Commons.The Evolution of Institutions for Collective Action".Cambridge University Press.
5Bulletin of the World Health Organization,Print version ISSN 0042-9686 Bull World Health Organ vol.86no.1 Genebra Jan.2008;http://en.wikipedia.org/wiki/Urbanization_by_country.
6Lester M.Salamon,Editor,The Tools of Government:A Guide to the New Governance,Oxford University Press,New York,2002.
