1.
Akter S, Song J. Problems in Pronunciation and Perception of Mandarin Tones: An Empirical Study on Bangladeshi Undergraduate Students in China. JHETP [Internet]. 2021 Dec. 29 [cited 2024 Nov. 23];21(16). Available from: https://mail.articlegateway.com/index.php/JHETP/article/view/4922