Antibacterial Activity Test of Ethanol Extract of Mangkokan Leaves (Polyscias Scutallarium (Burm.F.) Fosberg) Against Escherichia Coli and Staphylococcus Aureus. JPK : Jurnal Proteksi Kesehatan 2022, 10 (2), 101-106. https://doi.org/10.36929/jpk.v10i2.374.