DO, T. C.; DANG, T. D. Design and Implementation of an IoT-Based Indoor Monitoring and Warning System. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 6, p. 29251–29256, 2025. DOI: 10.48084/etasr.12887. Disponível em: https://etasr.com/index.php/ETASR/article/view/12887. Acesso em: 2 may. 2026.