9OECD.Teacher Demand and Supply:Improving teaching quality and addressing teacher shortage[EB/OL].OECD Working Paper,No.1,2002.http://www.oecd.org/edu/workingpapersnd/2008-9-12.
10UNESCO,Education for All Global Monitoring Report 2005-The Quality Imperative,2005[EB/OL].http://unesdoc.unesco,org/images/0013/001373/137333e,pdf/2008-9-14.