1United Nation Development Programme. Human Development Report 2001.
2IMD. World Competitiveness Yearbook : Methodology.2002.
3the National Institute of Science and Technology Policy.Preliminary Study on Regional Science and Technology Indicators: Evaluating S&T Resources for Regional Innovation. 2000.
4U. S. Depatment of Commerce. The Dynamics of Technology-based Economic Development ( Second Edition). October, 2001.