Mangkusasmito, F., Aldonanda, A. and Tadeus, D. 2023. Soil Moisture Control System for Lettuce Seeds: Time-based Alternative Approach. Ultima Computing : Jurnal Sistem Komputer. 15, 1 (Jun. 2023), 25-29. DOI:https://doi.org/https://doi.org/10.31937/sk.v15i1.3214.