Ngoc Tu, Tran Phan, and Tran Quoc Thao. “THE USE OF PHRASAL VERBS IN ENGLISH LANGUAGE RESEARCH PROPOSALS BY VIETNAMESE M.A. STUDENTS”. VNU Journal of Foreign Studies 35, no. 4 (September 11, 2019). Accessed April 19, 2024. https://jfs.ulis.vnu.edu.vn/index.php/fs/article/view/4399.