PETROV, L. Dobrolyub (Excerpt). Sledva : NBU Journal of Humanities and Arts, [S. l.], n. 39, p. 98–103, 2019. DOI: 10.33919/sledva.19.39.11. Disponível em: https://ojs.nbu.bg/index.php/sledva/article/view/235. Acesso em: 8 jul. 2025.