Husnun Hanifah. Antibacterial Activity Of Hydrogel Plasters Of Red Betel Leaves Extract (Piper Ornatum) And Porang Flour As Gelling Agent Against Staphylococcus Aureus. MFI [Internet]. 2025Mar.18 [cited 2026Apr.17];20(1):24-6. Available from: https://mfi.stifar.ac.id/MFI/article/view/293