HIEN HUONG, Nong Thi.
 FACE VALIDITY OF THE INSTITUTIONAL ENGLISH  BASED ON THE COMMON EUROPEAN FRAME OF REFERENCE AT A PUBLIC UNIVERSITY IN VIETNAM.
<strong>VNU Journal of Foreign Studies</strong>, [S.l.], v. 36, n. 1, mar. 2020.
ISSN 2525-2445.
Available at: &lt;<a href="https://js.vnu.edu.vn/FS/article/view/4501" target="_new">https://js.vnu.edu.vn/FS/article/view/4501</a>&gt;. Date accessed: 08 may 2024.
doi: <a href="https://doi.org/10.25073/2525-2445/vnufs.4501">https://doi.org/10.25073/2525-2445/vnufs.4501</a>.