1. Abramczyk, L. (1995). I gruppi focali come strumento di ricerca e valutazione. In T. Vecchiato (Ed.), La valutazione dei servizi sociali e sanitari. Fondazione Emanuela Zancan: Padova.
2. Albanesi, C., Cicognani, E., & Zani, B. (2007). Sense of community, civic engagement and social well-being in Italian adolescents. Journal of Community and Applied Psychology, 17, 387–406.
3. Barbour, R. S., & Kitzinger, J. (Eds.). (1999). Developing focus group research: Politics, theory and practice. London: Sage.
4. Bloor, M., Frankland, J., Thomas, M., & Robson, K. (2001). Focus group in social research. London: Sage.
5. Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3, 77–101.