Rosanto Tamba, Harsan Arifin Kasan, and Ika Suryani Pangaribuan. “Antibacterial Test Of Avocado Leaf Ethanol Extract (Persea Americana Mill) On Propionibacterium Acne”. International Journal of Health Engineering and Technology (IJHET) 3, no. 2 (July 30, 2024). Accessed October 2, 2024. https://afdifaljournal.com/journal/index.php/ijhet/article/view/219.