H. . Nahar, “Real-time Monitoring IoT-based System for Early Flash Flood Notification in Melaka”, MARI, vol. 3, no. 4, pp. 29–36, Dec. 2022, Accessed: Apr. 07, 2026. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/9695