Halim, Syukur, Suhartono, and M. Imamudin. “Classification of Arabica Coffee Bean Images from Roasting Using the Convolutional Neural Network Resnet50v2 Method With Transfer Learning”. Research Horizon 5, no. 6 (December 31, 2025): 3347–3358. Accessed May 7, 2026. https://journal.lifescifi.com/index.php/RH/article/view/923.