S͸RENSEN, B.; THELLEFSEN, T. L. The Normative Sciences, the Sign Universe, Self-Control and Rationality – According to Peirce. Cosmos and History: The Journal of Natural and Social Philosophy, [S. l.], v. 6, n. 1, p. 142–152, 2010. Disponível em: https://cosmosandhistory.org/index.php/journal/article/view/195. Acesso em: 26 apr. 2024.