1.Huy NV, Mai LC, Thang VT, Truong DQ. Vietnamese recognition using tonal phoneme based on multi space distribution. J. Comput. Sci. Cybern. [Internet]. 2014 May 13 [cited 2025 Dec. 5];30(1):28-3. Available from: https://vjs.ac.vn/jcc/article/view/3553