7Bardhan, P. and C. Udry 1999, “Development Microeconomics”, Oxford Unviersity Press.
8Caselli,F. and W. J. Coleman 2001, “The U.S. Structural Transformation and Regional Convergence: a Reinterpretation” Journal of Political Economy, 109 : 587-616.
9Dixit, A. K., 1978, “Growth Patterns in a Dual Economy”, Oxford Economic Papers, Vol.30, No. 30:199-204.
10Fei,J. C.H. and Ranis, G., 1964, “Development of The Labor Surplus Economy:Theory and Policy”, Richard D. Irwin, Homeweod,IL.