“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” (2024) Jurnal Sains dan Kesehatan, 4(6), pp. 577–584. Available at: https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/474 (Accessed: 15 November 2024).