“Perancangan Sistem Monitoring Ketinggian Air Menggunakan Sensor Ultrasonik Berbasis Internet Of Things Di Provinsi Lampung” (2026) NovaSphere Journal of Information Systems and Digital Innovation (NSJISDI), 1(1), pp. 24–32. Available at: https://journal.ryepublisher.com/index.php/NJSDI/article/view/15 (Accessed: 20 October 2026).