Le, T.K.P., PGS.TS, P.V.H., Nguyen, L.A.K. and Nguyen, N.T.T. 2019. Chemical compositions, bioactive compounds, and physicochemical properties of different purple sweet potato flours. CTU Journal of Innovation and Sustainable Development . 11, 2 (Jul. 2019), 31-37. DOI:https://doi.org/10.22144/ctu.jen.2019.021.