Mangkusasmito, Fakhruddin, Ageng Aldonanda, and Dista Tadeus. “Soil Moisture Control System for Lettuce Seeds: Time-Based Alternative Approach”. Ultima Computing : Jurnal Sistem Komputer 15, no. 1 (June 30, 2023): 25-29. Accessed July 3, 2024. https://ejournals.umn.ac.id/index.php/SK/article/view/3214.