TRUNG, Nguyen Lan; 						HUNG, Nguyen Viet.
 MODELS FOR ENHANCING THE FOREIGN LANGUAGE PROFICIENCY OF OFFICIALS AND OFFICERS IN THE CUSTOMS, FOREIGN RELATIONS, TOURISM AND BORDER GUARDS SECTORS IN VIETNAM’S NORTHERN BORDER REGIONS: FROM PRACTICE TO KEY PRINCIPLES.
<strong>VNU Journal of Foreign Studies</strong>, [S.l.], v. 34, n. 6, dec. 2018.
ISSN 2525-2445.
Available at: &lt;<a href="https://js.vnu.edu.vn/FS/article/view/4331" target="_new">https://js.vnu.edu.vn/FS/article/view/4331</a>&gt;. Date accessed: 24 apr. 2024.
doi: <a href="https://doi.org/10.25073/2525-2445/vnufs.4331">https://doi.org/10.25073/2525-2445/vnufs.4331</a>.