3[1]Chen Baizhu,Feng Yi. Determinants of economic growth in China: Private enterprise, education, and openness. China Economic review,Vol.11,Issue: 1,Spring.2000.1-15.
4[2]John Eatwell,Murray Milgate,Peter Newman.The New Palgrave:A Dictionary of Economics,Vol.2,The Macmillan Press Limited.1987.682.