Oliveira, Ailsi Costa de, and Maria dos Remédios Fontes Silva. “The Development of Public Policies Aimed at Realizing Social Rights: The State’s Duty to Preserve Minimum Standards of Living”. Digital Journal Constitution and Guarantee of Rights, vol. 4, no. 01, Oct. 2013, https://www.periodicos.ufrn.br/constituicaoegarantiadedireitos/article/view/4336.