Fakhriyah, F., Marwoto, P., Cahyono, E., & Iswari, R. S. (2022). Developing PTS Device (pH, TDS, and Salinity) to Determine the Water Quality for Cultivating Milkfish (Chanos chanos Forsk) in Pati District. Jurnal Penelitian Pendidikan IPA, 8(1), 362–370. https://doi.org/10.29303/jppipa.v8i1.1043