Nguyen, Huynh Trang. “AN EVALUATION OF TWO BUSINESS ENGLISH COURSE BOOKS, BUSINESS PARTNER B1+ AND BUSINESS PARTNER B2: STUDENTS’ AND TEACHERS’ PERSPECTIVES”. VNU Journal of Foreign Studies, vol. 39, no. 6, Dec. 2023, pp. 136-61, doi:10.63023/2525-2445/jfs.ulis.5158.