Wikan Mahargyani, and Fini Ainun Qolbi Wasdili. “The Potential The Potential of Ethanol Extract from Red Dragon Fruit (Hylocereus Polyrhizus) Peel As an Indicator of Acid-Base Titration”. JURNAL KESEHATAN KARTIKA 16, no. 1 (April 30, 2021): 28–31. Accessed September 18, 2025. https://stikesjayc.id/ejournal/index.php/litkartika/article/view/159.