1Berry, Frances Stokes and William D. Berry. State Lottery Adoptions as Policy Innovations: An Event History Analysis. " The American Political Science Review, Vol. 84, Issue2 (Jun. , 1990), pp. 395-415.
2Borins, Sandford. 2008. Innovations in Government. Washington D. C. : Brookings Institution Press. Pp. ix.
3Downs, George W. and Lawrence B. Mohr. "Conceptual Issues in Innovation", Administrative Science Quarterly, 21 (4) ( Dec. 1976) : 700 -714.
4Eyestone , Robert. "Confusion, Diffusion, and Innovation" . The American Political Science Review, Volume 71, Issue 2 (Jan. 1977) .
5Glor, Eleanor D. "Innovation Traps, Risks and Challenges in Thinking About Innovation", Workshop on Public Sector Innovation, February 9 -10, 2000. Meeting Paper.
6Minstrom. Michael, Policy Entrepreneurs and the Diffusion of Innovation", American Journal of Political Science. Vol. 41. Issue 3 (July. 1997), 738 -770.
7Mohr, Lawrence B. " Determinants of Innovation in Organizations" , The American Political Science Review, Vol. 63, No. 1 ( Mar. , 1969 ), pp. 111 - 126.
8Walker, Jack. L., The Diffusion of Innovations among the American States, The American Political Science Review, Vol. 63, No. 3 (Sep., 1969) , pp. 880 -899.
9Walker, Richard M. "Measuring Public Services Innovation - a literature - based innovation output indicator in the housing association sector", Public Administration Vol. 80 NO. 1, 2002 (201 -214) .
10Rogers, Everett M. Diffusion of Innovations. 4th Edition. New York: The Free Press. 1995.
