PUTERA, Dwi; YAMIN, Yamin; FIRDAUS, Thoriqi. Reducing Coffee Acidity and Caffeine through the Roasting Method using Azadirachtaindica Firewood. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 12, n. 3, p. 512–525, 2024. DOI: 10.33394/hjkk.v12i3.12140. Disponível em: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/12140. Acesso em: 18 aug. 2025.