Tundo, Shindy Apriani, and Sugeng. “Classification of Apple Ripeness Detection System Using Self-Organizing Map (SOM) Method”. International Journal Software Engineering and Computer Science (IJSECS) 5, no. 1 (April 1, 2025): 386–397. Accessed June 4, 2026. https://journal.lembagakita.com/ijsecs/article/view/3734.