MITRA, S.; KUMAR, D.; CHAULYA, S.; KUMAR, C. Performance analysis using IoT based underground miner’s tracking and wireless voice communication system. Journal of Mines, Metals and Fuels, [S. l.], v. 70, n. 2, p. 75–82, 2022. DOI: 10.18311/jmmf/2022/30431. Disponível em: https://informaticsjournals.com/index.php/jmmf/article/view/30431. Acesso em: 8 may. 2024.