Sistem Monitoring Kesuburan Lahan Pertanian menggunakan Sensor pH, Sensor Suhu, Intensitas Cahaya, dan Kelembapan Tanah Berbasis Internet of Things. JRFI [Internet]. 2025 Jul. 23 [cited 2025 Oct. 26];5(2):97-106. Available from: https://journal.ubb.ac.id/index.php/jrfi/article/view/5334