Recommended litteratur
Steinar Kvale and Svend Brinkman: InterViews. Learning the Craft of Qualitative Research Interviewing. Second Edition 2009 Sage
Joseph A. Maxwell: Qualitative Research Design. An interactive Approach. Sage 2013
Judith Green & Nicki Thorogood: Qualitative Methods for Health Research. Sage 2014
On focus groups
Bloor, Michael, Jane Frankland, Michelle Thomas, Kate Robson (2002) Focus groups in Social Research. Sage
or
Rosaline Barbour (2008) Doing Focus Groups. Sage