GAS LEAKAGE DETECTION, ALERTING AND MONITORING USING IOT. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 5, n. 6, p. 137–139, 2018. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/5158. Acesso em: 27 jul. 2025.