1. Health Policy Developments Issue 7/8;Busse,2007
2. What is Universal Coverage?http://www.who.int/health_financing/universal_coverage_definition/en/
3. The World Health Report 2008: Primary Health Care—Now More than Ever,2008
4. The World Health Report: Health Systems Financing: The Path to Universal Coverage,2010
5. Political and economic aspects of the transition to universal health coverage