Prospects for development of “smart cities” in Bulgaria. Smart Cities and Regional Development (SCRD) Journal, [S. l.], v. 5, n. 1, p. 17–25, 2021. DOI: 10.25019/scrd.v5i1.92. Disponível em: https://scrd.eu/index.php/scrd/article/view/92.. Acesso em: 2 may. 2024.