PUTRI, Mega Karina; DELLIMA, Beta Ria Erika Marita. Analisis Kadar Kafein dalam Green Bean dan Roasted Bean Kopi Robusta (Coffea canephora) Temanggung Menggunakan Spektrofotometer UV: Analysis of Caffeine Levels in Green Bean and Roasted Bean of Robusta Coffee (Coffea canephora) Temanggung Using UV Spectrophotometer. Jurnal Sains dan Kesehatan, [S. l.], v. 4, n. 6, p. 577–584, 2022. DOI: 10.25026/jsk.v4i6.1253. Disponível em: https://jsk.jurnalfamul.com/index.php/jsk/article/view/1253. Acesso em: 17 apr. 2026.