MARIYA ALI, PRAGATI KUMARI, ADARSH VISHWAKARMA, ANSH MADANKAR, DR.AMRITA PAHADIA. IoT Based Coal Mine Safety Monitoring and Alerting Helmet System. International Journal of Research & Technology, [S. l.], v. 14, n. 2, p. 951–956, 2026. Disponível em: https://ijrt.org/j/article/view/1377. Acesso em: 31 may. 2026.