Moving away from Yin who has more of a positivist take on case study research to Stake's qualitative process, as my study is an instruental study providing insight into an issue. The case is of secondary interest. The primary interests is the issue to facilitate our understanding of a phenomenon.
Merriam, S.B. (1998) Qualitative research and case study applications in education.
San Francisco: Jossey-Bass.
Stake, R. (1995) The art of case study research. London Sage.
Yin, R. (2009) Case study research. 4th ed. London: Sage.