STANCHEV, P.; STEFANOV, K. Bulgarian Open Science Cloud. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 9, p. 259–264, 2019. DOI: 10.55630/dipp.2019.9.25. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2019.9.25. Acesso em: 7 may. 2024.