Abduh MF, Nizam Z, Rahman R. IOT-BASED LOW-COST SENSOR INSTRUMENTATION FOR REAL-TIME WATER QUALITY MONITORING: DESIGN, CALIBRATION, AND FIELD VALIDATION. Scientechno: J. of Science and Technology [Internet]. 2026 Aug. 17 [cited 2026 Aug. 22];5(4):369-87. Available from: https://www.research.adra.ac.id/index.php/Scientechno/article/view/4249