Hybrid Firewalls and AI-Powered Threat Intelligence in Smart Cities. International Journal of Engineering & Extended Technologies Research (IJEETR), [S. l.], v. 4, n. 4, p. 5007–5011, 2022. DOI: 10.15662/IJEETR.2022.0404001. Disponível em: https://ijeetr.com/index.php/ijeetr/article/view/43. Acesso em: 10 feb. 2026.