E. F. Rumyaan, M. K. Putri, and E. K. Sari, “Formulation and Antibacterial Activity Test of Bay Leaf (Syzygium polyanthum) Ethanol Extract Hand Sanitizer Preparation Against Staphylococcus aureus Bacteria: FORMULASI DAN UJI AKTIVITAS ANTIBAKTERI SEDIAAN HAND SANITIZER EKSTRAK ETANOL DAUN SALAM TERHADAP BAKTERI STAPHYLOCOCCUS AUREUS”, JIFF, vol. 8, no. 1, pp. 73–82, Feb. 2025.