Elfira Jumrah, and Rosmaniar. “Liquid Soap Formulation of Lahuna Leaf Extract (Eupatorium Odoratum) and Betel Leaf Extract (Piper Betle L.) and Activity Tests Against Escherichia Coli”. Al-Kimia 11, no. 1 (June 30, 2023). Accessed November 23, 2024. https://journal3.uin-alauddin.ac.id/index.php/al-kimia/article/view/34386.