PENCHEV, V. What the coins from the Preslav treasure can tell us about the social status of its owner. Contributions to Bulgarian Archaeology | Приноси към българската археология, [S. l.], v. 12, p. 69–74, 2022. DOI: 10.53250/cba12.69-74. Disponível em: https://publications.naim.bg/index.php/CBA/article/view/280. Acesso em: 11 jun. 2026.