Qhorina, D.N. et al. 2021. Formulasi Sediaan Mouthwash Ekstrak Daun Sirih Hitam (Piper sp.) Terhadap Streptococcus mutans dan Candida albicans: Mouthwash Preparation Formulation of Black Betel Leaf Extract (Piper sp.) Against Streptococcus mutans and Candida albicans. Proceeding of Mulawarman Pharmaceuticals Conferences. 14, 1 (Dec. 2021), 228–236. DOI:https://doi.org/10.25026/mpc.v14i1.550.