Guilhoto, Joaquim J. M.; Silveira, Fernando; Ichihara, Silvio M. and Azzoni, Carlos R. (2006): A Importância Do Agronegócio Familiar No Brasil. Unpublished.
Azzoni, Carlos R. and Guilhoto, Joaquim M. (2008): Modal composition of cargo transportation and income inequality in Brazil. Unpublished.
