5FAPRI: International Oilseeds Model, http://www.fapri.iastate.edu, 2010.
6.FAPRI: 2010 U.S. and Worm Agricultural Outlook Book, http:#www.fapd.iastate.edu, 2010.
7Masuda, T. and Goldsmith, P. D.: World Soybean Production: Area Harvested, Yield and Long-term Projections, International Food & A gribusiness Management Review, No.4, pp. 143-161, 2009.
8Meyers, W. H.; Devadoss, S. and Helmar, M. D.: The World Soybean Trade Model: Specification, Estimation and Validation, Technical Report, 91-TR23, Center for Agricultural and Rural Develepment, Iowa State University, 1991.
