1. A personal view of present tasks and priorities in cultural and social anthropology;Barth,1994
2. Introduction. The discipline and practice of qualitative research;Denzin,2000
3. The Discovery of Grounded Theory. Strategies for Qualitative Research;Glaser,1967
4. Questioning Qualitative Inquiry;Hammersley,2008
5. Anthropology in health research: from qualitative methods to multidisciplinarity;Lambert;British Medical Journal,2002