Hendra Permana. “Formulation and Evaluation of Tooth Cleansing Gel Preparations Hexane Fraction Ashitaba Leaf”. Jurnal Kedokteran 12, no. 1 (May 11, 2023): 1319–1324. Accessed June 23, 2024. https://jku.unram.ac.id/index.php/jk/article/view/870.