Map of Vietnam, Vietnamese version
<a href="//commons.wikimedia.org/wiki/User:NgaViet" title="User:NgaViet">NgaViet</a>
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Own work by uploader. (Tham khảo từ nguồn <a rel="nofollow" class="external autonumber" href="http://www.bando.com.vn/BDOnline.asp">[1]</a>)