Bianchi, V. R., et al. “SOCIOECONOMIC CHARACTERIZATION OF RURAL PRODUCERS AND AGRICULTURAL PRODUCTION SYSTEMS OF THE MUNICIPALITY OF PALMITAL SP”. Revista Brasileira De Engenharia De Biossistemas, vol. 12, no. 3, Sept. 2018, pp. 268-85, doi:10.18011/bioeng2018v12n3p268-285.