General
- Baillie, C., & Douglas, E. P. (2014). Confusions and conventions: Qualitative research in engineering education. Journal of Engineering Education, 103(1), 1-7.
- Case, J. M., & Light, G. (2011). Emerging methodologies in engineering education research. Journal of Engineering Education, 100(1), 186-210.
- Creswell, J. W. (2013). Qualitative inquiry & research design: Choosing among five approaches. Thousand Oaks, CA, Sage Publications.