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 [Internet]. 2022 Jun. 28 [cited 2026 Jul. 24];3(1):15-24. Available from: https://publisher.uthm.edu.my/ojs/index.php/emait/article/view/9167