Book
Silverman, D. (ed.). 2010. Qualitative Research. SAGE Publications, California. 3rd Edition.
Internet articles
Leech, B. L. (2002): Asking Questions: Techniques for Semistructured Interviews. PS: Political Science and Politics 35;4:665-668 .
Malterud, K. (2001): Qualitative research: standards, challenges, and guidelines. Lancet 358:483-488 .
Malterud, K. (2001): The art and science of clinical knowledge. Lancet 358:397-400 .
Skelton, J. R. and F. D. Hobbs (1999): Concordancing: use of language-based research in medical communication. Lancet 353: 108-11 .
Shiffman, J. and S. Smith (2007): Generation of political priority for global health initiatives. Lancet 370:1370-79 .
Tansey, O. (2007): Process Trancing and Elite Interviewing. PS: Political Science and Politics 40;4:765-772.