Chau, H.
(2009).
 Word foimation in the Cardinal number systems across languages (Mathematical problems in numbers).
<em>VNU Journal Of Science: Social Sciences And Humanities, 25</em>(5E).
Retrieved from <a href="https://js.vnu.edu.vn/SSH/article/view/1944" target="_new">https://js.vnu.edu.vn/SSH/article/view/1944</a>