Witaningsih, Witaningsih, Sri Ratna Sulistiyanti, Mareli Telaumbanua, F X Arinto Setyawan, Helmy Fitriawan, and Rita Anggraini. 2025. “Artificial Neural Network Backpropagation Method for Predicting Soil Nutrient Content: Artificial Neural Network Backpropagation Method for Predicting Soil Nutrient Content”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 14 (6):2424-38. https://doi.org/10.23960/jtepl.v14i6.2424-2438.