1. Bauman, Z. (2014). What use is Sociology? Cambridge: Polity.
2. Bourdieu, P. (1984). Distinction: A Social Critique of the Judgement of Taste. London: Routledge.
3. Learning democratic reason: The adult education project of Jürgen Habermas.;Brookfield,2012
4. Charmaz, K. (2006). Constructing Grounded Theory: A Practical Guide through Qualitative Analysis. London: Sage.
5. Transformative learning theory: Seeking a more unified theory.;Cranton,2012