1. Atkinson, P., Coffey, A., & Delamont, S. (2003). Key themes in qualitative research: Continuities and changes. Rowman Altamira.
2. Bazeley, P. (2009). Analysing qualitative data: More than ‘identifying themes.’ Malaysian Journal of Qualitative Research, 2(2), 6–22.
3. Contreras, R. B. (2011, August). Examining the context in qualitative analysis: The role of the co-occurrence tool in ATLAS.ti. In ATLAS.ti Newsletter.
4. DeSantis, L., & Ugarriza, D. N. (2000). The concept of theme as used in qualitative nursing research. Western Journal of Nursing Research, 22(3), 351–372.
5. Friese, S. (2019). Qualitative data analysis with ATLAS.ti. Sage.