VIDIN, B. The Head of State in International Law. Yearbook of the Law Department, [S. l.], v. 9, n. 10, p. 152–161, 2020. DOI: 10.33919/yldnbu.20.9.4. Disponível em: https://ojs.nbu.bg/index.php/YLD/article/view/640. Acesso em: 26 sep. 2022.