Sataroh S, Febrianti N. Development of Digital Biology Book on Antioxidant Activity of Red Dragon Fruit Extract (Hylocereus polyrhizus) for Class XI High School Students. JELR [Internet]. 2024 Aug. 10 [cited 2026 Jul. 12];2(1):10-8. Available from: https://jelr.greadc.org/index.php/jelr/article/view/31