Okasyari, Chorida, I Wayan Budiastra, and Sutrisno. “Prediction of Chemical Content in Robusta Coffee Beans Using Near Infrared Spectroscopy and Artificial Neural Network”. Jurnal Keteknikan Pertanian 13, no. 2 (July 11, 2025): 318–339. Accessed December 24, 2025. https://journal.ipb.ac.id/jtep/article/view/64523.