Seminar Proposal Tentang Flood Monitoring System Using An Ultrasonic Sensor Based On Lorawan Class C | 18/10/2019 | | No Comments Date: 21/10/2019Time: 12:00 am - 12:00 amLocation: Gedung TT ( Ruang TT.304)Rafri Abiansyah Rahman ( 15101092 )S1 Teknik Telekomunikasi About The Author