Dewi, Rachmayanti, Amelia Febriani, and Desy Muliana Wenas. 2019. “Uji Aktivitas Antimikroba Ekstrak Metanol Daun Sirih (Piper Betle L.) Terhadap Pertumbuhan Bakteri Propionibacterium Acnes Dan Khamir Malassezia Furfur: Antimicrobial Activity Of Methanolic Extract Of Betel Leaf (Piper Betle L.) Against The Growth Of Propionibacterium Acnes Bacteria and Malassezia Furfur Yeast”. Sainstech Farma: Jurnal Ilmu Kefarmasian 12 (1):32-38. https://doi.org/10.37277/sfj.v12i1.415.