Sundari, Heni, M. Hatta Prabowo, Farida Juliantina Rachmawaty, and Hady Anshory Tamhid. “Standardization of Leaf Extract of Red betel(Piper Crocatum) Leaves Using Ethanol”. JKKI : Jurnal Kedokteran dan Kesehatan Indonesia 7, no. 1 (January 8, 2016): 3–9. Accessed May 4, 2024. https://journal.uii.ac.id/JKKI/article/view/3682.