Effect of Roasting Temperature on Arabica Coffee Caffeine Content by UV-Vis Spectrophotometry. ALKIMIA : Jurnal Ilmu Kimia dan Terapan, [S. l.], v. 9, n. 1, p. 46–52, 2025. DOI: 10.19109/2a4xd117. Disponível em: https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/30617.. Acesso em: 23 aug. 2025.