Jundullah, Sayid Muhammad, Hafizh Al Kautsar Aidilof, and Fadlisyah. 2026. “ YOLOv8-Based Multi-Class Detection of Coffee Bean Defects and Contaminants for Automated Quality Grading”. Brilliance: Research of Artificial Intelligence 6 (2):313-22. https://doi.org/10.47709/brilliance.v6i2.8612.