Web based IoT monitoring system for ultrasonic water flow measurement using ESP32-S3 and cloud database. J. Soft Comput. Explor. [Internet]. 29 Desember 2025 [dikutip 25 Agustus 2026];6(4):258-65. Tersedia pada: https://shmpublisher.com/index.php/joscex/article/view/625