Silva, Silvano Carlos da, Ricardo Seixas Brites, and Eduardo Delgado Assad. 1998. “Identification of Climatic Risks for the Upland Rice in Goiás State, Brazil”. Pesquisa Agropecuaria Brasileira 33 (7):1005-11. https://doi.org/10.1590/S1678-3921.pab1998.v33.4947.