Tunjungsari, Gerda Pintoko, and Retno Aliyatul Fikroh. “Comparison of Antioxidant Activity and Chemical Profile Between Green Tea Kombucha With Green Tea and Rosela Combination Kombucha”. Bioscientist : Jurnal Ilmiah Biologi 12, no. 1 (June 30, 2024): 757–771. Accessed September 9, 2025. https://e-journal3.undikma.ac.id/index.php/bioscientist/article/view/9977.