The UNIDROIT principles on international commercial contracts and the effects derived from Covid-19 on contract relations: a perspective from the Spanish Law. CUADERNOS DE DERECHO TRANSNACIONAL, [S. l.], v. 13, n. 1, p. 180–237, 2021. DOI: 10.20318/cdt.2021.5957. Disponível em: https://e-revistas.uc3m.es/index.php/CDT/article/view/5957. Acesso em: 5 dec. 2025.