IVANOVA, V. Digitalization for Preserving the Book Heritage of the University Library at “Angel Kanchev” University of Ruse. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 12, p. 271–276, 2022. DOI: 10.55630/dipp.2022.12.25. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2022.12.25. Acesso em: 20 jun. 2024.