Lê Văn Bính. “Paracel and Spratly Islands from the Principle of Effective Occupation Perspective”. Tạp chí Nghiên cứu Khoa học Công đoàn, no. 16 (April 22, 2022): 32. Accessed May 18, 2024. https://www.vjol.info.vn/index.php/DHCD/article/view/66909.