Hasibuan, Yustiny Andaliza, and Diah Ratnadewi. 2025. “Antibacterial Activity of Quinoline Alkaloids from Cinchona Ledgeriana Cell Suspension Cultures Againts Staphylococcus Aureus and Escherichia Coli”. Jurnal Biologi Tropis 25 (4a):572-77. https://doi.org/10.29303/jbt.v25i4a.10779.