IVANOVA, K.; ZDRAVKOV, K. Digital Collections in Regional Public Library “P. R. Slaveikov” – Veliko Tarnovo in the Context of the National Program for Preservation and Promotion of Literary Heritage. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 1, p. 180, 2011. DOI: 10.55630/dipp.2011.1.22. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2011.1.22. Acesso em: 28 may. 2024.