Antibacterial Activity of Ethanol Extract and Ethyl Acetate Fraction of Kenikir Leaves (Cosmos caudatus Kunth.) Against Propionibacterium acnes Bacteria: Aktivitas Antibakteri Ekstrak Etanol dan Fraksi Etil Asetat Daun Kenikir (Cosmos caudatus Kunth.) terhadap Bakteri Propionibacterus acnes. Journal Pharmasci (Journal of Pharmacy and Science), [S. l.], v. 11, n. 1, p. 32–45, 2026. DOI: 10.53342/pharmasci.v11i1.553. Disponível em: https://e-journal.akfarsurabaya.ac.id/index.php/jps/article/view/553. Acesso em: 22 sep. 2026.