Thuy, Do Thi Bich. “VALIDITY ANALYSIS OF 2A + 2B GRAMMAR - VOCABULARY TESTS AT THE FACULTY OF FRENCH LANGUAGE AND CULTURE, UNIVERSITY OF LANGUAGES AND INTERNATIONAL STUDIES - VIETNAM NATIONAL UNIVERSITY, HANOI”. VNU Journal of Foreign Studies 34, no. 6 (December 3, 2018). Accessed November 21, 2024. https://jfs.ulis.vnu.edu.vn/index.php/fs/article/view/4326.