1. Trends in International Migrant Stock: Migrants by Destination and Origin,2013
2. The International Migrant Stock: A Global View,2002
3. International Labour Migration and Development: The ILO Perspective, International Migration Brief,2007
4. The Migration and Remittances Factbook;Ratha,2011
5. Overseas screening for tuberculosis in immigrants and refugees to the United States: Current status;Binkin;Clin. Infect. Dis.,1996