The exchange contract in the Portuguese legal system and comparative law. CUADERNOS DE DERECHO TRANSNACIONAL, [S. l.], v. 15, n. 2, p. 337–360, 2023. DOI: 10.20318/cdt.2023.8059. Disponível em: https://e-revistas.uc3m.es/index.php/CDT/article/view/8059. Acesso em: 5 dec. 2025.