GRIGOROV, V. Ранносредновековно селище до с. Драговищица, община Kостинброд: Early Medieval Settlement near the Village of Dragovishtitsa, Kostinbrod Municipality. Contributions to Bulgarian Archaeology | Приноси към българската археология, [S. l.], v. 8, p. 93–114, 2018. Disponível em: https://publications.naim.bg/index.php/CBA/article/view/223. Acesso em: 30 oct. 2026.