“IMPLEMENTASI SISTEM MONITORING AIR DENGANSENSOR ULTRASONIK HC-SR04 DAN WATER FLOW DI ASONE HIDROPONIK BERBASIS INTERNET OF THINGS (IoT) MENGGUNAKAN ENERGI PANEL SURYA(PLTS)” (2024) Journal of Applied Smart Electrical Network and Systems, 5(1), pp. 22–28. doi:10.52158/jasens.v5i1.918.