Faturochman, W., P. . Dauni, E. Teguh Arujisaputra, A. . Husain, and I. . Abdurrohim. “Design of Flood Early Warning Monitoring System Using a Microcontroller Ultrasonic Sensor Based on Website and Telegram Chat Bot”. JESII: Journal of Elektronik Sistem InformasI, vol. 1, no. 2, Dec. 2023, pp. 101-10, doi:10.31848/jesii.v1i2.3358.