CHIPRIANOV, Mihail. EMPIRICAL ANALYSIS OF FINANCIAL BARRIERS IN THE TRANSITION TO SMART CITIES IN BULGARIA. E-Journal VFU, [S. l.], n. 26, p. 288–296, 2026. Disponível em: https://ejournal.vfu.bg/index.php/vfu/article/view/350. Acesso em: 29 jul. 2026.