Amalia, H., Sitompul, R., Hutauruk, J., Andrianjah, A., & Mun’im, A. (2009). Effectiveness of Piper betle leaf infusion as a palpebral skin antiseptic. Universa Medicina, 28(2), 83–91. Retrieved from https://univmed.org/ejurnal/index.php/medicina/article/view/233