Rosanto Tamba, Harsan Arifin Kasan, and Ika Suryani Pangaribuan. 2024. “Antibacterial Test Of Avocado Leaf Ethanol Extract (Persea Americana Mill) On Propionibacterium Acne”. International Journal of Health Engineering and Technology 3 (2). https://doi.org/10.55227/ijhet.v3i2.219.