1. Migration to cities;Brettell,2002
2. Global woman. Nannies, maids and sex workers in the new economy,2002
3. Remittances and other financial flows to developing countries;Gammeltoft;International Migration Quarterly Review,2002
4. ILO, World Commission on the Social Dimension of Globalization. (2004). A Fair Globalization. Creating opportunities for all, Geneva.
5. IMF. (2003). Balance of payment statistics yearbook. Washington, DC.