Arifin, Z., and H. Rahadian. “Rancang Bangun Stand-Alone Automatic Rain Gauge (ARG) Berbasis Panel Surya”. Jurnal Nasional Teknik Elektro, vol. 6, no. 3, Oct. 2017, pp. 178-84, doi:10.25077/jnte.v6n3.440.2017.