Ginting DEP, Sitorus Pane SA, Nababan MNK, Christnatalis. Smart Diagnosis of Coffee Diseases via Web-Based Expert System. SinkrOn [Internet]. 2025Jul.23 [cited 2026Apr.23];9(3):1108-19. Available from: https://www.jurnal.polgan.ac.id/index.php/sinkron/article/view/14974