Fahmi, Aliyah, Sumaryati Syukur, Zulkarnain Chaidir, and Sri Melia. “The Antibacterial Activity Test Comparison of Green and Black Tea Ethanol Extract (Camellia Sinensis) Against Propionibacterium Acnes”. Science Midwifery 10, no. 2 (April 30, 2022): 1881–1885. Accessed April 17, 2026. https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/544.