Le , P. T. T., and M. T. Nhan. “Effects of Purple Rice Ratio on Anthocyanin, Antioxidant Activity and Physicochemical Characteristics of Extruded Snack”. CTU Journal of Innovation and Sustainable Development, vol. 18, no. 2, July 2026, pp. 29-39, doi:10.22144/ctujoisd.2026.021.