1.
Ly YS, Hairom NHH, Harun NH, Chin Fhong S. A LoRa-Cloud Based Water pH and Air Temperature Sensor Hub: IoT Water Quality Monitoring Sensor Hub. emait. 2022;3(1):15-24. Accessed August 13, 2026. https://journal.uthm.edu.my/index.php/emait/article/view/9167