Suzery, Meiny, et al. “Effects of Temperature and Heating Time on Degradation and Antioxidant Activity of Anthocyanin from Roselle Petals (Hibiscus Sabdariffa L.)”. International Journal of Science, Technology & Management, vol. 1, no. 4, Nov. 2020, pp. 288-3, doi:10.46729/ijstm.v1i4.78.