ABRIYANI, E.; ALISTHIPA SEPHIA, R. .; SRIFITRIANI, E. .; LUSTIANAH, T. .; KHAFINA AZZAHRA, S. . Analisis Kadar Kafein Kopi, Teh, Dan Coklat Menggunakan Metode Spektrofotometri Uv-Vis . Journal of Comprehensive Science (JCS), [S. l.], v. 2, n. 1, p. 7–15, 2022. DOI: 10.59188/jcs.v2i1.178. Disponível em: https://jcs.greenpublisher.id/index.php/jcs/article/view/178. Acesso em: 16 sep. 2024.