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2. Report on the Development of the China Youth During the 10th and 11th 5-Year-Plan;China Youth and Child Research Center (CYCRC),2007
3. Interaction terms in logit and probit models;Ai Chunrong;Economics Letters,2003
4. China on the move: Migration, the state, and the household;Fan,2008
5. What does global expansion of higher education mean for the US?;Freeman,2009