Yoli Anathasia, Suryanto, Sudewi, and Sumardi , trans. “Formulation of Ethanolic Extract of Guava Fruit Flesh (Psidium Guajava L.) As a Lip Moisturizer”. Jurnal Indah Sains dan Klinis 4, no. 2 (August 31, 2023): 19–25. Accessed December 4, 2024. https://ejournal.sumateraconnect.or.id/index.php/jisk/article/view/66.