Principal Component Analysis-Driven Feature Reduction for Predicting Coffee Quality Using a Machine Learning Approach. International Journal of Applied Sciences and Smart Technologies, [S. l.], v. 8, n. 1, p. 183–202, 2026. Disponível em: https://ejournal.usd.ac.id/index.php/ijasst/article/view/750. Acesso em: 15 jun. 2026.