Margarido, M. A., F. A. Turolla, and C. R. F. Bueno. “The World Market for Soybeans: Price Transmission into Brazil and Effects from the Timing of Crop and Trade”. Nova Economia, vol. 17, no. 2, June 2009, https://revistas.face.ufmg.br/index.php/novaeconomia/article/view/487.