Nadya Robbani, A.; Putu Dedy Arjita, I.; Sutrisna Wiatma, D.; Retno Setyowati, E. Antibacterial Activity Test of a Combination of Ethanol Extract of Bidara Leaf (ziziphus Mauritiana) and Betel Leaf (Piper Betle L) Against Staphylococcus Aureus in Vitro. IJHP 2026, 6, 232-245.