“Enhanced Efficiency of Coffee Fruit Ripe Sorting System through Ultrasound-Based Optimization and Fuzzy Logic: Peningkatan Efisiensi Sistem Sortasi Matang Buah Kopi Melalui Optimasi Berbasis Ultrasound Dan Logika Fuzzy”. JISTECH: Journal of Information Science and Technology 12, no. 1 (June 21, 2023): 175–179. Accessed June 21, 2026. https://jistechunipa.com/index.php/istech/article/view/218.