Rocha, Diego Raoni da Silva, Humberto Alves Barbosa, and Leandro Rodrigo Macedo da Silva. “A Gis Approach Using Remote Sensing Derived Products for Quantification of Sugar Cane Productivity in Brazil”. Brazilian Journal of Physical Geography 4, no. 3 (September 24, 2011): 562–574. Accessed July 30, 2026. https://periodicos.ufpe.br/revistas/rbgfe/article/view/232721.