PERMATA SARI, D.; JHOFY RICARDO P SITINDAON; DEWI PERMATA SARI; RD. KUSUMANTO. IMPLEMENTASI SISTEM MONITORING AIR DENGANSENSOR ULTRASONIK HC-SR04 DAN WATER FLOW DI ASONE HIDROPONIK BERBASIS INTERNET OF THINGS (IoT) MENGGUNAKAN ENERGI PANEL SURYA(PLTS). Journal of Applied Smart Electrical Network and Systems, v. 5, n. 1, p. 22-28, 14 Sep. 2024.