Study on the status of U.S. dollar in international reserve 并列题名:Study on the status of U.S. dollar in international reserve Study on the standard of neutral words in Chinese international education Study on the issues of conflict of laws in international sports arbitration Study on the history of international law 并列题名:Study on the standard of neutral words in Chinese international education 并列题名:Study on the issues of conflict of laws in international sports arbitration Comparative study on the quality of basic education in international metropolises