W. Nugroho, M. J. F. Arifianto, A. Afianto, A. Wicaksono, and N. Nursim, “Web based IoT monitoring system for ultrasonic water flow measurement using ESP32-S3 and cloud database”, J. Soft Comput. Explor., vol. 6, no. 4, pp. 258-265, Dec. 2025.