“ALARM PENDETEKSI DINI BANJIR DI DESA JATI SARI LANGKAT MENGGUNAKAN ENERGI PANEL SURYA”. JOURNAL OF SCIENCE AND SOCIAL RESEARCH 9, no. 2 (May 5, 2026): 2219–2221. Accessed May 9, 2026. https://jurnal.goretanpena.com/index.php/JSSR/article/view/6160.