Yanwar IM, Adrianto D, P NH. Upgrade Prototype Alat Ukur Arus Sensor Reed Switch Dengan Perangkat Telemetri Menggunakan Modem GSM: Upgrade Prototype Current Meter Sensor Reed Switch With Telemetry Device Using GSM Modem. hidropilar [Internet]. 2017 Dec. 26 [cited 2024 Dec. 23];3(2):69-75. Available from: https://jurnal.sttalhidros.ac.id/index.php/hidropilar/article/view/173