POPOVA, E. .; TODOROVA, T. . Digitalization Possible – Main Achievements in Bulgarian Libraries. Bobcatsss, [S. l.], p. 99–105, 2023. DOI: 10.34630/bobcatsss.vi.4965. Disponível em: https://ipp.josekarvalho.net/index.php/bobcatsss/article/view/4965. Acesso em: 6 oct. 2025.