WAHYUNINGSIH, S.; VIKASARI, S.; KUSMAYADI, A. Exploring the Alpha-Amylase Inhibitory Potential of Roselle Calyx Extracts (Hibiscus sabdariffa L) in n-Hexane and Ethyl Acetate Fractions. Jurnal Kartika Kimia, v. 8, n. 1, p. 85-91, 12 jun. 2025.