Dewi, Candra, Suci Sundari, and Mardji Mardji. “Texture Feature On Determining Quantity of Soil Organic Matter For Patchouli Plant Using Backpropagation Neural Network”. Journal of Information Technology and Computer Science 4, no. 1 (June 27, 2019): 1–14. Accessed August 16, 2022. https://jitecs.ub.ac.id/index.php/jitecs/article/view/68.