Adzakiyah, Tiara, Indrawati Lipoeto, and Nila Kasuma. 2015. “Effect of Gargling by Using Siwak Extract (Salvadora Persica) to the Saliva PH of Oral Cavity”. Jurnal Sains Farmasi & Klinis 2 (1):74-77. https://doi.org/10.29208/jsfk.2015.2.1.52.