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