J. F. da Silva, L. de L. Santos, I. E. de P. Ferreira, and L. M. M. C. Almeida, “Obsolescence of minimum productivity indexes in agrarian reform policy”, Rev. Polit. Agric., vol. 32, no. 3, p. 122, Nov. 2023, Accessed: Sep. 20, 2026. Available: https://rpa.sede.embrapa.br/RPA/article/view/1934