VAN DER WALT, Rika. Bilateral and Multilateral Treaties. South African Yearbook of International Law, [S. l.], v. 44, p. 12 pages, 2021. DOI: 10.25159/2521-2583/8956. Disponível em: https://www.unisapressjournals.co.za/index.php/SAYIL/article/view/8956. Acesso em: 13 nov. 2025.