Antibacterial Activity Test of Ethanol Extract of Mangkokan Leaves (Polyscias scutallarium (Burm.f.) Fosberg) against Escherichia coli and Staphylococcus aureus. (2022). JPK : Jurnal Proteksi Kesehatan, 10(2), 101-106. https://doi.org/10.36929/jpk.v10i2.374