TY  - BOOK
AU  - Witzel,Andreas
AU  - Reiter,Herwig
TI  - The problem-centred interview: principles and practice 
SN  - 9781849200998
PY  - 2012///
CY  - London
PB  - SAGE
KW  - Qualitative research
KW  - Interviewing
N1  - Includes bibliographical references and index
ER  -