Baxter, P. and Jack, S. (2008) Qualitative case study methodology: Study design and implementation for novice researchers, The qualitative report, 13, 4, pp. 544-559.
Eisenhardt, K. M. (1989) Building Theories From Case Study Research, Academy of Management. The Academy of Management Review, 14, 4, pp. 532-550.
Gerring, J. (2004) What is a case study and what is it good for?, American political science review, 98, 2, pp. 341-354.
Stake, R. E. (2005) Qualitative Case Studies, in Denzin, N.K. and Lincoln, Y.S. (eds.) The SAGE handbook of qualitative research. 3rd ed. California: Sage Publications, Inc., pp. 443-.
Yazan, B. (2015) Three approaches to case study methods in education: Yin, Merriam, and Stake, The Qualitative Report, 20, 2, pp. 134-152.
Yin, R. K. (1981) The case study crisis: Some answers, Administrative science quarterly, 26, 1, pp. 58-65.
Yin, R. K. (2009) Case Study Research: Design and Methods. 2nd edn. London, UK: SAGE Ltd.