1OECD. Education at a Glance 2007:OECD Indicators [ R ]. Paris: OECD, 2007. 303,304,318-319.
2Sajitha Bashir. Trends in International Trade in Higher Education:Implications and Options for Developing Countries [R]. The World Bank,2007. 14,18,20, 20.
6Committee on Policy Implications of Intemational Graduate Students and Postdoctoral Scholars in the United States,Board on Higher Education and Workforce,National Research Council. Policy Implications of International Graduate Students and Postdoctoral Scholars in the United States [M]. Paris:OECD, 2005. 2-12.
7National Science Board. Science and Engineering Indicators 2008 Volumel. Arlington :National Science Foundation [ M ]. Arlington :National Science Foundation, 2008. 2-33,2-32.
9GAO (Government Accountability Office). Federal Science,Technology,Engineering,and Mathematics:Programs and Related Trends [ R ]. Washington, D.C., 2005. 15-16.
10Sajitha Bashir. Trends in International Trade in Higher Education:Implications and Options for Developing Countries[R]. The World Bank,2007.20.