GEORGIEVA-TSANEVA, G.; BOGDANOVA, G.; SUBEV, N. Characteristics of Interactivity and Using the Interactive Technologies in System North+. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 7, p. 133–142, 2017. DOI: 10.55630/dipp.2017.7.12. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2017.7.12. Acesso em: 29 may. 2024.