“Sistem Monitoring Kesuburan Lahan Pertanian Menggunakan Sensor PH, Sensor Suhu, Intensitas Cahaya, Dan Kelembapan Tanah Berbasis Internet of Things”. Jurnal Riset Fisika Indonesia 5, no. 2 (July 23, 2025): 97–106. Accessed April 21, 2026. https://www.journal.ubb.ac.id/index.php/jrfi/article/view/5334.