Lê, P.
(2004).
 Thông tin hoạt động khoa học.
<em>VNU Journal Of Science: Social Sciences And Humanities, 20</em>(2).
Retrieved from <a href="https://js.vnu.edu.vn/SSH/article/view/2610" target="_new">https://js.vnu.edu.vn/SSH/article/view/2610</a>