Andréa G, Francisco J, Gundim W. Secondary rule of recognition: from the imperativism of John Austin and to the positivism of Herbert Hart. Veritas [Internet]. 2023 Sep. 14 [cited 2024 May 17];68(1):e41716. Available from: https://revistaseletronicas.pucrs.br/index.php/iberoamericana/N%EF%BF%BD%EF%BF%BDO%20https:/www.scimagojr.com/index.php/veritas/article/view/41716