Faridah, Anni, Daimon Syukri, and Rahmi Holinesti. “Simple Characterization of Betalain Compound from RED Pitaya (Hylocereus Polyrhizus) Peel Solution”. International Journal on Advanced Science, Engineering and Information Technology 5, no. 3 (June 22, 2015): 207–211. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/517.