SÁNCHEZ ALONSO, Óscar. The day after going to the poles: political marketing and contractual obligation. Revista de la Facultad de Derecho y Ciencias Políticas, [S. l.], v. 39, n. 110, p. 33–56, 2009. Disponível em: https://revistas.upb.edu.co/index.php/derecho/article/view/3860. Acesso em: 16 jun. 2026.