UCARYILMAZ, Talya. The Principle of Proportionality in Modern Ius Gentium. Utrecht Journal of International and European Law, Utrecht, v. 36, n. 1, p. 14–32, 2021. DOI: 10.5334/ujiel.529. Disponível em: https://utrechtjournal.org/article/view/26092.. Acesso em: 23 mar. 2026.