ESTRADA VÉLEZ, Sergio. General Principles of Law Contemplated in Article 230 of the Political Constitution. Moral or Legal Norms?. Opinión Jurídica, [S. l.], v. 15, n. 30, p. 47–66, 2016. DOI: 10.22395/ojum.v15n30a2. Disponível em: https://revistas.udem.edu.co/index.php/opinion/article/view/2018. Acesso em: 3 apr. 2025.