DIMITROV, P. The western fortress wall of the inner city of Veliki Preslav in light of contemporary studies . Contributions to Bulgarian Archaeology | Приноси към българската археология, [S. l.], v. 11, p. 63–69, 2021. DOI: 10.53250/cba11.63-69. Disponível em: https://publications.naim.bg/index.php/CBA/article/view/201. Acesso em: 5 oct. 2026.