Maidoni, Indra, and Elfizon Elfizon. “Perancangan Sistem Keamanan Ruangan Akibat Kebocoran Gas Berbasis Internet of Things (IoT)”. JTEIN: Jurnal Teknik Elektro Indonesia, vol. 1, no. 2, Oct. 2020, pp. 124-8, doi:10.24036/jtein.v1i2.52.