Karinda Y, Adi Yuhara N, Ellsya Angeline Rawar. Antibacterial Activity Test of Green Betel Leaf Extract Clay Mask (Piper Betle L) Against Acne-Causing Bacteria (Propionibacterium Acnes). Jurnal EduHealth [Internet]. 2025 Dec. 29 [cited 2026 Jul. 24];16(04):1947-59. Available from: https://ejournal.seaninstitute.or.id/index.php/healt/article/view/7719