8Banse, M. , Gorton, M. , Hartell, J. ( eds. ), The Evolution of Competitiveness in Hungarian Agriculture: from Transition to Accession. Paper presented on the IXth European congress of Agricultural Economists(EAAE) in Warsaw, Poland, 24th - 28thAugust 1999.
9Cho, D. and Moon, H., From Adam Smith to Michael Porter: Evolution to Conpetitiveness Theory. Singapore: World Scientific Publishing Co.Pte. Ltd., 2001.
10Gopinath, M. and Kennedy, P. L. , Agricultural Trade and Productivity Growth: A State - level Analysis. American Journal of Agricultural Economics,82(2000) ,p. 1213 - 1218.