ANTIBACTERIAL ACTIVITY TESTING OF COLLASE LEAF EXTRACT (Centella asiatica L.) AGAINST Propionibacterium acnesBACTERIA. Joseph: Journal of Science and Pharmacy. 2023;3(1):23-33. Accessed January 29, 2026. https://joseph.ejournal.unan.ac.id/index.php/unan/article/view/50