5Barneveld,Erik M. van, Leida M. Lamers, Rene C. J. A. van Vliet and Wynand P. M. M. van de Ven, 1998. " Mandatory Pooling as a Supplement to Risk-adjusted Capitation Payments in a Competitive Health Insurance Market. "Journal of Social Science & Medicine. 1998:223-32.
6Fung, K. K. , 1998. "Decentralizing Tragic Choices : Pooling Health Risks with Health Unions. "American Journal of Economics and Sociology. 1998:71-94.
7Kuszewski, K. , Gericke C. , 2005. Health Systems in Transition : Poland. Copenhagen : WHO Regional Office for Europe on Behalf of the European.
8Lisac, Melanie,2006. Health Care Reform in Germany :Not the Big Bang. Berlin : Bertelsmann Stiftung, Gutersloh.
9Mossialos, Elias, Anna Dixon, Josep Figueras and Joe Kutzin, 2002. Funding Health Care: Options for Europe. Buckingham, Philadelphia : Open University Press.
10Smitha,Peter C. , Sophie N. Witterb, 2004. Risk Pooling in Health Care Financing:The Implications for Health System Performance. Washington DC:The International Bank for Reconstruction and Development.
