Suganda, Wahyu, et al. “Rancang Bangun Alat Monitoring Dan Pengontrol Nilai Tahanan Tanah Berbasis Mikrokontroller Arduino Uno”. Jurnal Engineering, vol. 4, no. 1, Jan. 2022, pp. 1-7, https://online-journal.unja.ac.id/JurnalEngineering/article/view/13531.