DESIGNING MEASUREMENT OF PH AND WATER TURBIDITY LEVEL BASED ON IOT. Jurnal Ilmiah Matrik, [S. l.], v. 23, n. 1, p. 34–45, 2021. DOI: 10.33557/jurnalmatrik.v23i1.1290. Disponível em: https://journal.binadarma.ac.id/index.php/jurnalmatrik/article/view/1290. Acesso em: 16 jul. 2025.