Implementasi Prinsip Ultra Vires di Indonesia, Inggris, Jerman, Singapura, dan Australia. UNES Law Review, [S. l.], v. 6, n. 2, p. 4762–4767, 2023. DOI: 10.31933/unesrev.v6i2.1242. Disponível em: https://review-unes.com/law/article/view/1242. Acesso em: 24 jun. 2026.