Tuyên LT, Hùng NV, Ninh TT, Vương PQ, Đức NM, Kỳ Đào X. A normal - hidden markov model model in forecasting stock index. JCC [Internet]. 2012 Oct. 4 [cited 2024 Apr. 26];28(3):206-1. Available from: https://vjs.ac.vn/index.php/jcc/article/view/627