SIMEONOV, G.; STANCHEV, P. Open Access and Institutional Repositories in Bulgaria. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 1, p. 165–170, 2011. DOI: 10.55630/dipp.2011.1.18. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2011.1.18. Acesso em: 23 apr. 2024.