Babbie, E. 2016. The Practice of Social Research. 14th ed. Boston, USA: Cengage Learning.
Saunders, M., Lewis, P. & Thornhill, A. 2019. Research Methods for Business Students. 8th ed. Pearson Education, Limited.
Charmaz, K., 2014. Constructing Grounded Theory. 2nd edn. London, U.K: SAGE.3 Request Book
Creswell, J. W. 2013. Qualitative inquiry & research design: choosing among five approaches. Thousand Oaks, U.S.: Sage. Request Book
Patton, M.Q. 2015, Qualitative research & evaluation methods: integrating theory and practice, Fourth edn, SAGE Publications, Inc, Thousand Oaks, California. Request Book
Silverman, D. 2022, Doing qualitative research, Sixth edn, SAGE, London;Los Angeles;.Request Book
Yin, R.K. & Campbell, D.T. 2018, Case study research and applications: design and methods, Sixth edn, SAGE Publications, Inc, Thousand Oaks, California. Request Book