Zebua, Edarni, et al. “Effects of Fermentation Duration on α-Glucosidase Activity and Vitamin C in Temu Mangga Kombucha”. Jurnal Gizi Dan Dietetik Indonesia (Indonesian Journal of Nutrition and Dietetics), vol. 13, no. 6, Nov. 2025, pp. 444-5, doi:10.21927/ijnd.2025.13(6).444-454.