1. Contributions of the social sciences;Mount,1989
2. Competing paradigms in qualitative research;Guba,1994
3. The demands for qualitative research are developing;Launso;J Soc Adm Pharm,1991
4. Philosophical perspectives and theories applied in pharmacy practice research;Nørgaard,2019
5. The Coding Manual for Qualitative Researchers;Saldana,2013