Nguyen, Nha. “The Vietnam Sovereignty on Truong Sa (Spratly Islands) and Hoang Sa ( Paracel Islands) through Analysis of Related Documents in English”. Science and Technology Development Journal 17, no. 1 (March 31, 2014): 39-48. Accessed December 22, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1246.