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. (2023). JISTECH: Journal of Information Science and Technology, 12(1), 175-179. https://jistechunipa.com/index.php/istech/article/view/218