One hat or two hats?: Guidelines for the regulation of double-hatting in investment arbitrations. Forseti. Law Review, [S. l.], v. 9, n. 13, p. 36–53, 2021. DOI: 10.21678/forseti.v9i13.1489. Disponível em: https://revistas.up.edu.pe/forseti/article/view/1489. Acesso em: 2 oct. 2026.