PRASASTI, A.; KUSTRIYANI, A.; UDIANTO, A. M.; DELAFANI, U. Analisis Kadar Kafein pada Kopi Liberika (Coffea liberica) Menggunakan Metode Spektrofotometri UV-Vis. Biocaster : Jurnal Kajian Biologi, [S. l.], v. 6, n. 1, p. 473–481, 2026. DOI: 10.36312/biocaster.v6i1.924. Disponível em: https://e-journal.lp3kamandanu.com/index.php/biocaster/article/view/924. Acesso em: 25 jan. 2026.