Hon Vu, L. “VIETNAMESE STUDENTS’ LEARNING NEEDS OF CHINESE AS A SECOND FOREIGN LANGUAGE: A CASE OF ENGLISH MAJORS OF HO CHI MINH UNIVERSITY OF BANKING”. VNU Journal of Foreign Studies, vol. 38, no. 2, Apr. 2022, pp. 140-5, https://jfs.ulis.vnu.edu.vn/index.php/fs/article/view/4962.