Thuy, D. T. B. (2018). 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(6). https://doi.org/10.25073/2525-2445/vnufs.4326