Rancang Bangun Alat Monitoring Gas Metan Di Dalam Tambang Batu Bara Berbasis Android . Jurnal Teknik Elektro, [S. l.], v. 7, n. 1, p. 20–28, 2018. DOI: 10.21063/JTE.2018.3133704. Disponível em: https://jte.itp.ac.id/index.php/jte/article/view/182. Acesso em: 5 des. 2025.