LEE, Yi Jie; AZNAN, Aimi; RUSLAN, Rashidah. Characterization of Different Coffee (Coffea) Blends using Ultraviolet-Visible Spectroscopy Technique and Principal Component Analysis. Advanced and Sustainable Technologies (ASET), [S. l.], v. 5, n. 1, p. 64–71, 2026. DOI: 10.58915/aset.v5i1.3195. Disponível em: https://ejournal.unimap.edu.my/index.php/aset/article/view/3195. Acesso em: 7 jun. 2026.