Souza, Helson Gomes de, Nayara Barbosa da Cruz, and Francisco José Silva Tabosa. “Spatial Convergence of the Urban and Rural Income in Brazil”. Revista de Política Agrícola 27, no. 3 (March 29, 2019): 82–94. Accessed September 20, 2026. https://rpa.sede.embrapa.br/RPA/article/view/1446.