Nguyen, Huyen T M, Hung V Nguyen, Quyen T Ngo, Luong X Vu, Vu Mai Tran, Bach X Ngo, and Cuong A Le. 2019. “VLSP SHARED TASK: SENTIMENT ANALYSIS”. Journal of Computer Science and Cybernetics 34 (4):295-310. https://doi.org/10.15625/1813-9663/34/4/13160.