SUSANTO, Fredy; SYAFNIDAWATI, Syafnidawati. Fast Tracking of Detection Offenders Smoking Zone Menggunakan Sensor MQ-2 Berbasis Internet of Things. Ultima Computing : Jurnal Sistem Komputer, [S. l.], v. 10, n. 1, p. 5–8, 2018. DOI: 10.31937/sk.v10i1.749. Disponível em: https://ejournals.umn.ac.id/index.php/SK/article/view/749. Acesso em: 19 may. 2025.