Husnun Hanifah 2025. Antibacterial Activity Of Hydrogel Plasters Of Red Betel Leaves Extract (Piper Ornatum) And Porang Flour As Gelling Agent Against Staphylococcus Aureus. Media Farmasi Indonesia. 20, 1 (Mar. 2025), 24-36. DOI:https://doi.org/10.53359/mfi.v20i1.293.