Pacheco, R.M., Duarte, J.B., Assunção, M. da S. and Nunes Júnior, J. 2007. AGRO-ECOLOGICAL SUBDIVISION AND PRODUCTIVE ADAPTATION OF MEDIUM CYCLE SOYBEAN GENOTYPES TO THE GOIÁS STATE-BRAZIL. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]. 33, 1 (Nov. 2007), 23–27.