Yanwar, I. M., Adrianto, D. and P, N. H. (2017) “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”, Jurnal Hidropilar, 3(2), pp. 69–75. doi: 10.37875/hidropilar.v3i2.59.