GÜECHÁ MEDINA, Ciro Nolberto. The notion of the administrative act: an analysis from discretionality in Administration acting. Opinión Jurídica, [S. l.], v. 16, n. 31, p. 25–48, 2017. DOI: 10.22395/ojum.v16n31a1. Disponível em: https://revistas.udem.edu.co/index.php/opinion/article/view/2168. Acesso em: 5 apr. 2025.