GRZESIK, Ryszard. “A kingdom of one language and one law is weak”: the Multiethnicity of Early Medieval Hungary. Średniowiecze Polskie i Powszechne, [S. l.], v. 15, p. 9–22, 2023. DOI: 10.31261/SPiP.2023.19.06. Disponível em: https://journals.us.edu.pl/index.php/SPP/article/view/15509. Acesso em: 15 nov. 2026.