dos Anjos Cutrim, Veridiano, et al. “Efficiency of Visual Selection on Lowland Rice (<i>Oryza sativa< I> L.) Grain Yield”. Pesquisa Agropecuaria Brasileira, vol. 32, no. 6, June 1997, pp. 601-6, doi:10.1590/S1678-3921.pab1997.v32.4685.