DO, Van Hai. VLSP 2021 - ASR Challenge for Vietnamese Automatic Speech Recognition. VNU Journal of Science: Computer Science and Communication Engineering, [S.l.], v. 38, n. 1, june 2022. ISSN 2588-1086. Available at: <//jcsce.vnu.edu.vn/index.php/jcsce/article/view/356>. Date accessed: 06 oct. 2022. doi: https://doi.org/10.25073/2588-1086/vnucsce.356.