1. Annan , J. Blattman C. Karlson , K. Mazurana D. 2008
2. ‘Integration of Internally Displaced Persons in Urban Labour Markets: A Case Study of the IDP Population in Soacha, Colombia;Aysa-Lastra;Journal of refugee studies,2011
3. Baines , E. Stover , E. Wierda , M. 2006
4. Binzel , C. Brück , T. 2007
5. Bjorkhaug , I. Morten , B. Hatloy , A. Jennings , K. M. 2007