1. Basics of qualitative research: techniques and procedures for developing grounded theory Corbin, Juliet M., 1942- Los Angeles, Calif. : Sage Publications, Inc., c2008. PSY214
2. Introducing qualitative research in psychology: adventures in theory and method Willig, Carla, 1964- Maidenhead, English ; McGraw Hill/Open University Press, 2008. PSY214
