Popova, N.D., Martines Filho, J.G. and Nastari, P.M. (2018) “Effects of free gasoline prices on the ethanol sector in São Paulo”, Revista de Política Agrícola, 27(1), p. 65. Available at: https://rpa.sede.embrapa.br/RPA/article/view/1400 (Accessed: 20 September 2026).