N. P. de Oliveira, W. R. Justo, and A. F. C. Pereira, “Elasticity of demand for sugarcane, sugar and ethanol”, Rev. Polit. Agric., vol. 26, no. 3, pp. 44–60, Dec. 2017, Accessed: Sep. 20, 2026. Available: https://rpa.sede.embrapa.br/RPA/article/view/1296