KOVACHEVA, S.; DIMITROVA, L. Web based Application for Presentation of Bulgarian Cultural and Historical Heritage under the Protection of UNESCO. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 9, p. 237–244, 2019. DOI: 10.55630/dipp.2019.9.22. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2019.9.22. Acesso em: 5 may. 2024.