Fuhrmann, I. R. “Principle of the Prohibition of Social Retrogression As a Self-Contained Category in Brazilian Constitutional Law? Concept, Groundings and Normative Reach before the Current Dogmatic of Fundamental Rights”. Revista Jurídica Portucalense, no. 16, Sept. 2014, pp. 45-81, https://revistas.rcaap.pt/juridica/article/view/3717.