1. Ethical issues in research with immigrants and refugees;Birman,2005
2. Values and Vulnerabilties: the Ethics of Research with Refugees and Asylim Seekers;Block,2013
3. Rural migration and new patterns of exclusion and integration in Europe;Bock,2016
4. An Invitation to Reflexive Sociology;Bourdieu,1992
5. The extended case method;Burawoy;Socio. Theor.,1998