Firmansyah, D.A., Khairunnisa Ibadurrohman, K.R., Restu Aji, B.B.T. and Suprijanto, S. 2020. MEASURING INSTRUMENT FOR REFILLED DRINKING WATER USING A TDS SENSOR. Spektra: Jurnal Fisika dan Aplikasinya. 5, 2 (Aug. 2020), 153 - 162. DOI:https://doi.org/10.21009/SPEKTRA.052.07.