2Fan,C.Cindy,Wenfei Winnie Wang."The Household as Security:Strategies of Rural-Urban Migrants in China,". Migration and Social Pro-tection in China .
3Post-World War II Migration. http://www.globalization101.org/index.php?file=issue&pass1=subs&id=171 .
4Nelson,JM.Sojourners versus urbanites:causes and conse-quences of temporary versus permanent cityward migration in developing coun-tries. Economic Development and Cultural Change . 1976
5Hugo G.J.Population Mobility in West Java. . 1978
6Eva Pichler.Cost-sharing of General and Specific Training with Depre-ciation of Human Capital. Economics of Education Review . 1993