ABDUH, Muhammad Firdaus; NIZAM, Zain; RAHMAN, Rashid. IOT-BASED LOW-COST SENSOR INSTRUMENTATION FOR REAL-TIME WATER QUALITY MONITORING: DESIGN, CALIBRATION, AND FIELD VALIDATION. Scientechno: Journal of Science and Technology, [S. l.], v. 5, n. 4, p. 369–387, 2026. DOI: 10.70177/scientechno.v5i4.4249. Disponível em: https://www.research.adra.ac.id/index.php/Scientechno/article/view/4249. Acesso em: 22 aug. 2026.