SOCIALIZATION OF ANTIBACTERIAL ACTIVITY OF KERSEN LEAF EXTRACT (Muntingia calabura L) AGAINST BACTERIA Staphylococcus aureus: SOCIALIZATION OF ANTIBACTERIAL ACTIVITY OF KERSEN LEAF EXTRACT (Muntingia calabura L) AGAINST BACTERIA Staphylococcus aureus. JPK. 2022;2(2):206-209. doi:10.35451/jpk.v2i2.1453