STEFANOVA, E.; STEFANOV, K. Knowledge Access through Libraries in the United Digital Market. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 12, p. 19–28, 2022. DOI: 10.55630/dipp.2022.12.1. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2022.12.1. Acesso em: 29 feb. 2024.