Amarante, José Carlos Araújo, Ivan Targino Moreira, and Patrícia Araújo Amarante. 2019. “Effects of Agrarian Policies in State of Paraíba, Brazil: Is There Economic Viability?”. Revista de Política Agrícola 28 (1): 55. https://rpa.sede.embrapa.br/RPA/article/view/1352.