Carvalho Neto, Pythagoras Lopes de. “A Teoria pragmática Da Norma jurídica E O Imperativismo: Uma análise Luhmanniana The Pragmatic Theory of Legal Norms and Imperativism: An Analysis Based on the Sociology of Luhmann”. REVISTA QUAESTIO IURIS 10, no. 4 (October 16, 2017): 2257–2278. Accessed June 24, 2025. https://www.e-publicacoes.uerj.br/quaestioiuris/article/view/22090.